diff --git a/resources/profiles/TemplateFilaments.idx b/resources/profiles/TemplateFilaments.idx
deleted file mode 100644
index 94223722f..000000000
--- a/resources/profiles/TemplateFilaments.idx
+++ /dev/null
@@ -1,2 +0,0 @@
-min_slic3r_version = 2.4.0-rc
-0.0.1 Initial
diff --git a/resources/profiles/TemplateFilaments.ini b/resources/profiles/TemplateFilaments.ini
deleted file mode 100644
index 000e25f34..000000000
--- a/resources/profiles/TemplateFilaments.ini
+++ /dev/null
@@ -1,1410 +0,0 @@
-# Print profiles for the Prusa Research printers.
-
-[vendor]
-# Vendor name will be shown by the Config Wizard.
-name = Templates Filaments
-# Configuration version of this file. Config file will only be installed, if the config_version differs.
-# This means, the server may force the PrusaSlicer configuration to be downgraded.
-config_version = 0.0.1
-# Where to get the updates from?
-#config_update_url = https://files.prusa3d.com/wp-content/uploads/repository/PrusaSlicer-settings-master/live/PrusaResearch/
-# changelog_url = https://files.prusa3d.com/?latest=slicer-profiles&lng=%1%
-templates_profile = 1
-
-## XXX--- Generic filament profiles ---XXX
-
-[filament:*common*]
-cooling = 1
-compatible_printers = 
-compatible_printers_condition = 
-end_filament_gcode = "; Filament-specific end gcode"
-extrusion_multiplier = 1
-filament_cost = 0
-filament_density = 0
-filament_diameter = 1.75
-filament_notes = ""
-filament_settings_id = ""
-filament_soluble = 0
-min_print_speed = 15
-slowdown_below_layer_time = 15
-start_filament_gcode = "; Filament gcode"
-
-[filament:*PLA*]
-inherits = *common*
-bed_temperature = 60
-bridge_fan_speed = 100
-disable_fan_first_layers = 1
-fan_always_on = 1
-fan_below_layer_time = 100
-filament_colour = #FF8000
-filament_type = PLA
-first_layer_bed_temperature = 60
-first_layer_temperature = 215
-max_fan_speed = 100
-min_fan_speed = 100
-temperature = 210
-
-[filament:*PET*]
-inherits = *common*
-bed_temperature = 90
-bridge_fan_speed = 50
-disable_fan_first_layers = 3
-fan_always_on = 1
-fan_below_layer_time = 20
-filament_colour = #FF8000
-filament_type = PETG
-first_layer_bed_temperature = 85
-first_layer_temperature = 230
-max_fan_speed = 50
-min_fan_speed = 30
-temperature = 240
-
-[filament:*ABS*]
-inherits = *common*
-bed_temperature = 100
-bridge_fan_speed = 25
-cooling = 0
-fan_always_on = 0
-fan_below_layer_time = 20
-filament_colour = #FFF2EC
-filament_type = ABS
-first_layer_bed_temperature = 100
-first_layer_temperature = 255
-max_fan_speed = 30
-min_fan_speed = 20
-temperature = 255
-
-[filament:*ABSC*]
-inherits = *common*
-bed_temperature = 100
-bridge_fan_speed = 25
-cooling = 1
-disable_fan_first_layers = 4
-fan_always_on = 0
-fan_below_layer_time = 30
-slowdown_below_layer_time = 20
-filament_colour = #FFF2EC
-filament_type = ABS
-first_layer_bed_temperature = 100
-first_layer_temperature = 255
-max_fan_speed = 15
-min_fan_speed = 15
-min_print_speed = 15
-temperature = 255
-
-[filament:*FLEX*]
-inherits = *common*
-bed_temperature = 50
-bridge_fan_speed = 80
-cooling = 0
-disable_fan_first_layers = 3
-extrusion_multiplier = 1.15
-fan_always_on = 0
-fan_below_layer_time = 100
-filament_colour = #008000
-filament_max_volumetric_speed = 1.5
-filament_type = FLEX
-first_layer_bed_temperature = 50
-first_layer_temperature = 240
-max_fan_speed = 90
-min_fan_speed = 70
-temperature = 240
-
-[filament:ColorFabb bronzeFill]
-inherits = *PLA*
-filament_vendor = ColorFabb
-extrusion_multiplier = 1.2
-filament_density = 3.9
-filament_spool_weight = 236
-filament_colour = #804040
-
-[filament:ColorFabb steelFill]
-inherits = *PLA*
-filament_vendor = ColorFabb
-extrusion_multiplier = 1.2
-filament_density = 3.13
-filament_spool_weight = 236
-filament_colour = #808080
-
-[filament:ColorFabb copperFill]
-inherits = *PLA*
-filament_vendor = ColorFabb
-extrusion_multiplier = 1.2
-filament_density = 3.9
-filament_spool_weight = 236
-filament_colour = #82603E
-
-[filament:ColorFabb HT]
-inherits = *PET*
-filament_vendor = ColorFabb
-bed_temperature = 100
-bridge_fan_speed = 30
-cooling = 1
-disable_fan_first_layers = 3
-fan_always_on = 0
-fan_below_layer_time = 10
-filament_density = 1.18
-filament_spool_weight = 236
-first_layer_bed_temperature = 100
-first_layer_temperature = 270
-max_fan_speed = 20
-min_fan_speed = 10
-temperature = 270
-
-[filament:ColorFabb PLA-PHA]
-inherits = *PLA*
-filament_vendor = ColorFabb
-filament_density = 1.24
-filament_spool_weight = 236
-
-[filament:ColorFabb woodFill]
-inherits = *PLA*
-filament_vendor = ColorFabb
-extrusion_multiplier = 1.1
-filament_density = 1.15
-filament_spool_weight = 236
-filament_colour = #dfc287
-filament_max_volumetric_speed = 9
-first_layer_temperature = 200
-temperature = 200
-
-[filament:ColorFabb corkFill]
-inherits = *PLA*
-filament_vendor = ColorFabb
-extrusion_multiplier = 1.1
-filament_density = 1.18
-filament_spool_weight = 236
-filament_colour = #634d33
-first_layer_temperature = 220
-temperature = 220
-
-[filament:ColorFabb XT]
-inherits = *PET*
-filament_vendor = ColorFabb
-filament_density = 1.27
-filament_spool_weight = 236
-first_layer_bed_temperature = 90
-first_layer_temperature = 260
-temperature = 270
-
-[filament:ColorFabb XT-CF20]
-inherits = *PET*
-filament_vendor = ColorFabb
-extrusion_multiplier = 1.05
-filament_density = 1.35
-filament_spool_weight = 236
-filament_colour = #804040
-first_layer_bed_temperature = 90
-first_layer_temperature = 260
-temperature = 260
-
-[filament:ColorFabb nGen]
-inherits = *PET*
-filament_vendor = ColorFabb
-filament_density = 1.2
-filament_spool_weight = 236
-bridge_fan_speed = 40
-fan_always_on = 0
-fan_below_layer_time = 10
-filament_type = NGEN
-first_layer_temperature = 240
-max_fan_speed = 35
-min_fan_speed = 20
-
-[filament:ColorFabb nGen flex]
-inherits = *FLEX*
-filament_vendor = ColorFabb
-filament_density = 1
-filament_spool_weight = 236
-bed_temperature = 85
-bridge_fan_speed = 40
-cooling = 1
-disable_fan_first_layers = 3
-extrusion_multiplier = 1
-fan_below_layer_time = 10
-first_layer_bed_temperature = 85
-first_layer_temperature = 260
-max_fan_speed = 35
-min_fan_speed = 20
-temperature = 260
-compatible_printers_condition = nozzle_diameter[0]>=0.4
-
-[filament:Kimya PETG Carbon]
-inherits = *PET*
-filament_vendor = Kimya
-extrusion_multiplier = 1.05
-filament_density = 1.317
-filament_colour = #804040
-first_layer_bed_temperature = 85
-first_layer_temperature = 240
-temperature = 240
-filament_retract_length = nil
-
-[filament:Kimya ABS Carbon]
-inherits = *ABSC*
-filament_vendor = Kimya
-filament_density = 1.032
-filament_colour = #804040
-first_layer_temperature = 260
-temperature = 260
-
-[filament:Kimya ABS Kevlar]
-inherits = Kimya ABS Carbon
-filament_vendor = Kimya
-filament_density = 1.037
-
-[filament:E3D Edge]
-inherits = *PET*
-filament_vendor = E3D
-filament_density = 1.26
-filament_type = EDGE
-
-[filament:E3D PC-ABS]
-inherits = *ABS*
-filament_vendor = E3D
-filament_type = PC
-filament_density = 1.05
-first_layer_temperature = 270
-temperature = 270
-
-[filament:Fillamentum PLA]
-inherits = *PLA*
-filament_vendor = Fillamentum
-filament_density = 1.24
-filament_spool_weight = 230
-
-[filament:Fillamentum ABS]
-inherits = *ABSC*
-filament_vendor = Fillamentum
-filament_density = 1.04
-filament_spool_weight = 230
-first_layer_temperature = 240
-temperature = 240
-
-[filament:Fillamentum ASA]
-inherits = *ABS*
-filament_vendor = Fillamentum
-filament_density = 1.07
-filament_spool_weight = 230
-fan_always_on = 1
-cooling = 1
-min_fan_speed = 20
-max_fan_speed = 20
-min_print_speed = 15
-slowdown_below_layer_time = 15
-first_layer_temperature = 260
-temperature = 260
-filament_type = ASA
-
-[filament:Prusament ASA]
-inherits = *ABS*
-filament_vendor = Prusa Polymers
-filament_density = 1.07
-filament_spool_weight = 201
-fan_always_on = 1
-first_layer_temperature = 260
-first_layer_bed_temperature = 105
-temperature = 260
-bed_temperature = 110
-cooling = 1
-min_fan_speed = 20
-max_fan_speed = 20
-bridge_fan_speed = 30
-min_print_speed = 15
-slowdown_below_layer_time = 15
-disable_fan_first_layers = 4
-filament_type = ASA
-filament_colour = #FFF2EC
-
-[filament:Prusament PC Blend]
-inherits = *ABS*
-filament_vendor = Prusa Polymers
-filament_density = 1.22
-filament_spool_weight = 201
-fan_always_on = 0
-first_layer_temperature = 275
-first_layer_bed_temperature = 110
-temperature = 275
-bed_temperature = 115
-cooling = 1
-min_fan_speed = 20
-max_fan_speed = 20
-bridge_fan_speed = 30
-min_print_speed = 15
-slowdown_below_layer_time = 20
-disable_fan_first_layers = 4
-fan_below_layer_time = 30
-filament_type = PC
-filament_colour = #DEE0E6
-
-[filament:Prusament PC Blend Carbon Fiber]
-inherits = Prusament PC Blend
-filament_density = 1.16
-extrusion_multiplier = 1.04
-first_layer_temperature = 285
-temperature = 285
-disable_fan_first_layers = 4
-fan_below_layer_time = 10
-filament_colour = #BBBBBB
-
-[filament:Fillamentum CPE]
-inherits = *PET*
-filament_vendor = Fillamentum
-filament_density = 1.25
-filament_spool_weight = 230
-filament_type = CPE
-first_layer_bed_temperature = 90
-first_layer_temperature = 275
-min_fan_speed = 30
-max_fan_speed = 50
-disable_fan_first_layers = 3
-full_fan_speed_layer = 5
-temperature = 275
-
-[filament:Fillamentum Timberfill]
-inherits = *PLA*
-filament_vendor = Fillamentum
-extrusion_multiplier = 1.05
-filament_density = 1.15
-filament_spool_weight = 230
-filament_colour = #804040
-filament_max_volumetric_speed = 10
-first_layer_temperature = 190
-temperature = 190
-
-[filament:Smartfil Wood]
-inherits = *PLA*
-filament_vendor = Smart Materials 3D
-extrusion_multiplier = 1.05
-filament_density = 1.58
-filament_colour = #804040
-first_layer_temperature = 220
-temperature = 220
-
-[filament:Generic ABS]
-inherits = *ABSC*
-filament_vendor = Generic
-filament_density = 1.04
-
-[filament:Esun ABS]
-inherits = *ABSC*
-filament_vendor = Esun
-filament_density = 1.01
-filament_spool_weight = 265
-
-[filament:Hatchbox ABS]
-inherits = *ABSC*
-filament_vendor = Hatchbox
-filament_density = 1.04
-filament_spool_weight = 245
-
-[filament:Filament PM ABS]
-inherits = *ABSC*
-filament_vendor = Filament PM
-filament_density = 1.08
-filament_spool_weight = 230
-
-[filament:Verbatim ABS]
-inherits = *ABSC*
-filament_vendor = Verbatim
-filament_density = 1.05
-filament_spool_weight = 235
-
-[filament:Generic PETG]
-inherits = *PET*
-filament_vendor = Generic
-filament_density = 1.27
-
-[filament:Extrudr DuraPro ASA]
-inherits = Fillamentum ASA
-filament_vendor = Extrudr
-bed_temperature = 90
-filament_density = 1.05
-filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=120"
-first_layer_bed_temperature = 90
-first_layer_temperature = 220
-temperature = 220
-filament_spool_weight = 230
-
-[filament:Extrudr PETG]
-inherits = *PET*
-filament_vendor = Extrudr
-bed_temperature = 70
-filament_density = 1.29
-filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=94"
-first_layer_bed_temperature = 70
-first_layer_temperature = 220
-temperature = 220
-slowdown_below_layer_time = 20
-filament_spool_weight = 262
-full_fan_speed_layer = 0
-
-[filament:Extrudr XPETG CF]
-inherits = Extrudr PETG
-filament_density = 1.41
-filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=198"
-first_layer_temperature = 235
-temperature = 235
-compatible_printers_condition = nozzle_diameter[0]>=0.4
-filament_spool_weight = 230
-
-[filament:Extrudr XPETG Matt]
-inherits = Extrudr PETG
-filament_density = 1.41
-filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=199"
-first_layer_temperature = 230
-temperature = 230
-
-[filament:Extrudr BioFusion]
-inherits = *PLA*
-filament_vendor = Extrudr
-disable_fan_first_layers = 3
-full_fan_speed_layer = 0
-filament_density = 1.25
-filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=121"
-first_layer_temperature = 220
-temperature = 220
-max_fan_speed = 45
-min_fan_speed = 25
-slowdown_below_layer_time = 20
-filament_spool_weight = 230
-
-[filament:Extrudr Flax]
-inherits = *PLA*
-filament_vendor = Extrudr
-filament_density = 1.45
-filament_notes = "High Performance Filament for decorative parts.\nPrints as easily as PLA with much higher strength and temperature resistance.\nFully biodegradable with a nice matt finish.\n\nhttps://www.extrudr.com/en/products/catalogue/?material=131"
-first_layer_temperature = 190
-temperature = 190
-max_fan_speed = 80
-min_fan_speed = 30
-full_fan_speed_layer = 0
-slowdown_below_layer_time = 20
-filament_spool_weight = 262
-
-[filament:Extrudr GreenTEC]
-inherits = *PLA*
-filament_vendor = Extrudr
-filament_density = 1.3
-filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=106"
-first_layer_temperature = 208
-temperature = 208
-slowdown_below_layer_time = 20
-filament_spool_weight = 230
-
-[filament:Extrudr GreenTEC Pro]
-inherits = *PLA*
-filament_vendor = Extrudr
-filament_density = 1.35
-filament_notes = "High Performance Filament for technical parts.\nPrints as easily as PLA with much higher strength and temperature resistance.\nFully biodegradable with a nice matt finish.\n\nhttps://www.extrudr.com/en/products/catalogue/?material=134"
-temperature = 215
-max_fan_speed = 80
-min_fan_speed = 30
-full_fan_speed_layer = 0
-slowdown_below_layer_time = 20
-filament_spool_weight = 230
-
-[filament:Extrudr GreenTEC Pro Carbon]
-inherits = *PLA*
-filament_vendor = Extrudr
-filament_density = 1.2
-filament_notes = "High Performance Filament for technical parts.\nPrints as easily as PLA with much higher stregnth and temperature resistance.\nFully biodegradable with a nice matt finish.\n\nhttps://www.extrudr.com/en/products/catalogue/?material=138"
-first_layer_temperature = 225
-max_fan_speed = 80
-min_fan_speed = 30
-temperature = 225
-full_fan_speed_layer = 0
-slowdown_below_layer_time = 20
-filament_spool_weight = 230
-compatible_printers_condition = nozzle_diameter[0]>=0.4
-
-[filament:Extrudr PLA NX1]
-inherits = *PLA*
-filament_vendor = Extrudr
-filament_density = 1.24
-filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=97"
-temperature = 205
-bed_temperature = 60
-first_layer_temperature = 205
-first_layer_bed_temperature = 60
-full_fan_speed_layer = 0
-max_fan_speed = 90
-min_fan_speed = 30
-slowdown_below_layer_time = 20
-filament_spool_weight = 262
-
-[filament:Extrudr PLA NX2]
-inherits = Extrudr PLA NX1
-filament_density = 1.3
-filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=128"
-
-[filament:Extrudr Flex Hard]
-inherits = *FLEX*
-filament_vendor = Extrudr
-disable_fan_first_layers = 1
-extrusion_multiplier = 1.2
-filament_density = 1.2
-filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=115"
-filament_spool_weight = 230
-slowdown_below_layer_time = 20
-
-[filament:Extrudr Flex Medium]
-inherits = *FLEX*
-filament_vendor = Extrudr
-disable_fan_first_layers = 1
-extrusion_multiplier = 1.2
-filament_density = 1.19
-filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=115"
-filament_spool_weight = 230
-slowdown_below_layer_time = 20
-
-[filament:Extrudr Flex SemiSoft]
-inherits = *FLEX*
-filament_vendor = Extrudr
-disable_fan_first_layers = 1
-extrusion_multiplier = 1.2
-filament_density = 1.18
-filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=115"
-filament_spool_weight = 230
-slowdown_below_layer_time = 20
-
-[filament:addnorth Adamant S1]
-inherits = *FLEX*
-filament_vendor = addnorth
-disable_fan_first_layers = 3
-extrusion_multiplier = 1
-filament_density = 1.22
-temperature = 250
-bed_temperature = 50
-first_layer_temperature = 245
-first_layer_bed_temperature = 50
-slowdown_below_layer_time = 20
-min_print_speed = 20
-fan_below_layer_time = 15
-fan_always_on = 1
-cooling = 1
-min_fan_speed = 40
-max_fan_speed = 70
-bridge_fan_speed = 60
-filament_spool_weight = 0
-
-[filament:addnorth Adura X]
-inherits = *PET*
-filament_vendor = addnorth
-filament_density = 1.27
-filament_type = NYLON
-extrusion_multiplier = 1
-bed_temperature = 60
-first_layer_bed_temperature = 60
-first_layer_temperature = 265
-temperature = 270
-fan_always_on = 0
-min_fan_speed = 20
-max_fan_speed = 40
-bridge_fan_speed = 70
-slowdown_below_layer_time = 10
-min_print_speed = 20
-fan_below_layer_time = 10
-disable_fan_first_layers = 3
-full_fan_speed_layer = 0
-filament_spool_weight = 0
-compatible_printers_condition = nozzle_diameter[0]>=0.4
-
-[filament:addnorth E-PLA]
-inherits = *PLA*
-filament_vendor = addnorth
-filament_density = 1.24
-extrusion_multiplier = 1
-temperature = 215
-bed_temperature = 60
-first_layer_temperature = 215
-first_layer_bed_temperature = 60
-full_fan_speed_layer = 3
-slowdown_below_layer_time = 15
-filament_spool_weight = 0
-
-[filament:addnorth ESD-PETG]
-inherits = *PET*
-filament_vendor = addnorth
-filament_density = 1.27
-extrusion_multiplier = 1
-bed_temperature = 80
-first_layer_bed_temperature = 85
-first_layer_temperature = 245
-temperature = 265
-fan_always_on = 1
-min_fan_speed = 15
-max_fan_speed = 30
-bridge_fan_speed = 35
-slowdown_below_layer_time = 10
-min_print_speed = 15
-fan_below_layer_time = 8
-disable_fan_first_layers = 3
-full_fan_speed_layer = 0
-filament_spool_weight = 0
-
-[filament:addnorth OBC Polyethylene]
-inherits = *FLEX*
-filament_vendor = addnorth
-disable_fan_first_layers = 3
-extrusion_multiplier = 1
-filament_density = 1.22
-temperature = 200
-bed_temperature = 100
-first_layer_temperature = 195
-first_layer_bed_temperature = 100
-slowdown_below_layer_time = 5
-fan_below_layer_time = 15
-fan_always_on = 1
-cooling = 1
-min_fan_speed = 20
-max_fan_speed = 30
-bridge_fan_speed = 40
-min_print_speed = 20
-filament_spool_weight = 0
-filament_notes = "Use Magigoo PP bed adhesive or PP packing tape (on a cold printbed)."
-
-[filament:addnorth PETG]
-inherits = *PET*
-filament_vendor = addnorth
-filament_density = 1.27
-bed_temperature = 80
-first_layer_bed_temperature = 85
-first_layer_temperature = 240
-temperature = 250
-fan_always_on = 1
-min_fan_speed = 15
-max_fan_speed = 40
-bridge_fan_speed = 50
-slowdown_below_layer_time = 10
-min_print_speed = 15
-fan_below_layer_time = 15
-disable_fan_first_layers = 3
-full_fan_speed_layer = 0
-filament_spool_weight = 0
-
-[filament:addnorth Rigid X]
-inherits = *PET*
-filament_vendor = addnorth
-filament_density = 1.27
-extrusion_multiplier = 1
-bed_temperature = 85
-first_layer_bed_temperature = 90
-first_layer_temperature = 250
-temperature = 260
-fan_always_on = 1
-min_fan_speed = 20
-max_fan_speed = 60
-bridge_fan_speed = 70
-slowdown_below_layer_time = 10
-fan_below_layer_time = 20
-min_print_speed = 20
-disable_fan_first_layers = 3
-full_fan_speed_layer = 0
-filament_spool_weight = 0
-filament_notes = "Please use a nozzle that is resistant to abrasive filaments, like hardened steel."
-compatible_printers_condition = nozzle_diameter[0]>=0.4
-
-[filament:addnorth Textura]
-inherits = *PLA*
-filament_vendor = addnorth
-filament_density = 1.24
-extrusion_multiplier = 0.95
-temperature = 215
-bed_temperature = 65
-first_layer_temperature = 215
-first_layer_bed_temperature = 65
-min_fan_speed = 20
-max_fan_speed = 40
-bridge_fan_speed = 60
-full_fan_speed_layer = 0
-slowdown_below_layer_time = 15
-min_print_speed = 20
-filament_spool_weight = 0
-filament_retract_length = 1
-
-[filament:Filamentworld ABS]
-inherits = *ABSC*
-filament_vendor = Filamentworld
-filament_density = 1.04
-temperature = 230
-bed_temperature = 95
-first_layer_temperature = 240
-first_layer_bed_temperature = 100
-max_fan_speed = 20
-min_fan_speed = 10
-min_print_speed = 20
-disable_fan_first_layers = 3
-fan_below_layer_time = 60
-slowdown_below_layer_time = 15
-bridge_fan_speed = 20
-
-[filament:Filamentworld PETG]
-inherits = *PET*
-filament_vendor = Filamentworld
-filament_density = 1.27
-bed_temperature = 70
-first_layer_bed_temperature = 85
-first_layer_temperature = 240
-temperature = 235
-fan_always_on = 1
-min_fan_speed = 25
-max_fan_speed = 55
-bridge_fan_speed = 55
-slowdown_below_layer_time = 20
-min_print_speed = 20
-fan_below_layer_time = 35
-disable_fan_first_layers = 2
-full_fan_speed_layer = 0
-filament_spool_weight = 0
-
-[filament:Filamentworld PLA]
-inherits = *PLA*
-filament_vendor = Filamentworld
-filament_density = 1.24
-temperature = 205
-bed_temperature = 55
-first_layer_temperature = 215
-first_layer_bed_temperature = 60
-full_fan_speed_layer = 3
-slowdown_below_layer_time = 10
-filament_spool_weight = 0
-min_print_speed = 20
-
-[filament:Filament PM PETG]
-inherits = *PET*
-filament_vendor = Filament PM
-filament_density = 1.27
-filament_spool_weight = 230
-
-[filament:Generic PLA]
-inherits = *PLA*
-filament_vendor = Generic
-filament_density = 1.24
-
-[filament:Devil Design PLA]
-inherits = *PLA*
-filament_vendor = Devil Design
-filament_density = 1.24
-filament_spool_weight = 250
-
-[filament:Devil Design PETG]
-inherits = *PET*
-filament_vendor = Devil Design
-filament_density = 1.23
-filament_spool_weight = 250
-first_layer_temperature = 230
-first_layer_bed_temperature = 85
-temperature = 230
-bed_temperature = 90
-
-[filament:Spectrum PLA]
-inherits = *PLA*
-filament_vendor = Spectrum
-filament_density = 1.24
-
-[filament:Generic FLEX]
-inherits = *FLEX*
-filament_vendor = Generic
-filament_density = 1.22
-filament_retract_length = 0
-filament_retract_speed = nil
-filament_retract_lift = nil
-
-[filament:Fillamentum Flexfill 92A]
-inherits = *FLEX*
-filament_vendor = Fillamentum
-filament_density = 1.20
-filament_spool_weight = 230
-filament_deretract_speed = 20
-fan_always_on = 1
-cooling = 0
-max_fan_speed = 60
-min_fan_speed = 60
-disable_fan_first_layers = 4
-full_fan_speed_layer = 6
-
-[filament:AmazonBasics TPU]
-inherits = *FLEX*
-filament_vendor = AmazonBasics
-fan_always_on = 1
-extrusion_multiplier = 1.1
-first_layer_temperature = 235
-first_layer_bed_temperature = 50
-temperature = 235
-bed_temperature = 50
-bridge_fan_speed = 100
-max_fan_speed = 80
-min_fan_speed = 80
-filament_density = 1.21
-disable_fan_first_layers = 4
-min_print_speed = 15
-slowdown_below_layer_time = 10
-cooling = 1
-
-[filament:SainSmart TPU]
-inherits = *FLEX*
-filament_vendor = SainSmart
-fan_always_on = 1
-filament_max_volumetric_speed = 2.5
-extrusion_multiplier = 1.1
-first_layer_temperature = 230
-first_layer_bed_temperature = 50
-temperature = 230
-bed_temperature = 50
-bridge_fan_speed = 100
-max_fan_speed = 80
-min_fan_speed = 80
-filament_density = 1.21
-disable_fan_first_layers = 4
-min_print_speed = 15
-slowdown_below_layer_time = 10
-cooling = 1
-
-[filament:Filatech FilaFlex40]
-inherits = *FLEX*
-filament_vendor = Filatech
-fan_always_on = 1
-extrusion_multiplier = 1.1
-first_layer_temperature = 230
-first_layer_bed_temperature = 50
-temperature = 230
-bed_temperature = 50
-bridge_fan_speed = 100
-max_fan_speed = 50
-min_fan_speed = 50
-filament_density = 1.22
-disable_fan_first_layers = 4
-min_print_speed = 15
-slowdown_below_layer_time = 10
-cooling = 1
-
-[filament:Filatech FilaFlex30]
-inherits = Filatech FilaFlex40
-temperature = 225
-filament_density = 1.15
-extrusion_multiplier = 1.1
-
-[filament:Filatech FilaFlex55]
-inherits = Filatech FilaFlex40
-temperature = 230
-filament_density = 1.18
-bed_temperature = 60
-fan_always_on = 0
-fan_below_layer_time = 60
-first_layer_temperature = 235
-extrusion_multiplier = 1
-
-[filament:Filatech TPE]
-inherits = Filatech FilaFlex40
-first_layer_temperature = 230
-temperature = 225
-filament_density = 1.2
-fan_below_layer_time = 60
-max_fan_speed = 80
-min_fan_speed = 80
-fan_always_on = 1
-
-[filament:Filatech TPU]
-inherits = Filatech FilaFlex40
-first_layer_temperature = 230
-filament_density = 1.2
-fan_below_layer_time = 60
-max_fan_speed = 80
-min_fan_speed = 80
-fan_always_on = 1
-temperature = 235
-
-[filament:Filatech ABS]
-inherits = *ABSC*
-filament_vendor = Filatech
-extrusion_multiplier = 0.95
-filament_density = 1.05
-
-[filament:Filatech FilaCarbon]
-inherits = *ABSC*
-filament_vendor = Filatech
-extrusion_multiplier = 0.95
-filament_density = 1.1
-first_layer_bed_temperature = 105
-bed_temperature = 100
-compatible_printers_condition = nozzle_diameter[0]>=0.4
-
-[filament:Filatech FilaPLA]
-inherits = *PLA*
-filament_vendor = Filatech
-filament_density = 1.3
-first_layer_temperature = 235
-first_layer_bed_temperature = 50
-temperature = 230
-bed_temperature = 55
-
-[filament:Filatech PLA]
-inherits = *PLA*
-filament_vendor = Filatech
-filament_density = 1.25
-first_layer_temperature = 215
-temperature = 210
-
-[filament:Filatech PLA+]
-inherits = Filatech PLA
-filament_density = 1.24
-
-[filament:Filatech FilaTough]
-inherits = Filatech ABS
-extrusion_multiplier = 0.95
-filament_density = 1.29
-first_layer_temperature = 245
-first_layer_bed_temperature = 80
-temperature = 240
-bed_temperature = 90
-cooling = 0
-
-[filament:Filatech HIPS]
-inherits = Prusa HIPS
-filament_vendor = Filatech
-filament_density = 1.07
-filament_spool_weight = 
-first_layer_temperature = 230
-first_layer_bed_temperature = 100
-temperature = 225
-bed_temperature = 110
-
-[filament:Filatech PA]
-inherits = *ABSC*
-filament_vendor = Filatech
-filament_density = 1.1
-first_layer_temperature = 275
-first_layer_bed_temperature = 110
-temperature = 275
-bed_temperature = 115
-fan_always_on = 0
-cooling = 0
-bridge_fan_speed = 25
-filament_type = NYLON
-
-[filament:Filatech PC]
-inherits = Filatech PA
-first_layer_bed_temperature = 110
-bed_temperature = 115
-filament_density = 1.2
-filament_type = PC
-
-[filament:Filatech PC-ABS]
-inherits = Filatech PC
-first_layer_temperature = 270
-temperature = 270
-first_layer_bed_temperature = 100
-bed_temperature = 100
-filament_density = 1.08
-filament_type = PC
-fan_always_on = 0
-cooling = 1
-extrusion_multiplier = 0.95
-disable_fan_first_layers = 6
-
-[filament:Filatech PETG]
-inherits = *PET*
-filament_vendor = Filatech
-filament_density = 1.27
-first_layer_temperature = 240
-first_layer_bed_temperature = 75
-temperature = 245
-bed_temperature = 80
-extrusion_multiplier = 0.95
-fan_always_on = 0
-
-[filament:Filatech Wood-PLA]
-inherits = Filatech PLA
-filament_density = 1.05
-first_layer_temperature = 210
-compatible_printers_condition = nozzle_diameter[0]>=0.4
-
-[filament:Ultrafuse PET]
-inherits = *PET*
-filament_vendor = BASF
-filament_density = 1.33
-first_layer_temperature = 220
-first_layer_bed_temperature = 70
-temperature = 215
-bed_temperature = 70
-fan_below_layer_time = 10
-min_fan_speed = 75
-max_fan_speed = 100
-bridge_fan_speed = 100
-filament_type = PET
-disable_fan_first_layers = 1
-full_fan_speed_layer = 3
-filament_notes = "BASF Forward AM Ultrafuse PET\nMaterial profile version 1.0\n\nMaterial Description\nUltrafuse PET is made from a premium PET and prints as easy as PLA, but is much stronger. The filament has a large operating window for printing (temperature vs. speed), so it can be used on every 3D-printer. PET will give you outstanding printing results: a good layer adhesion, a high resolution and it is easy to handle. Ultrafuse PET can be 100% recycled, is watertight and has great colors and finish.\n\nPrinting Recommendations:\nUltrafuse PET can be printed directly onto a clean build plate. For challenging prints, use 3dLac to improve adhesion.\n"
-
-[filament:Ultrafuse PRO1]
-inherits = Prusament PLA
-filament_vendor = BASF
-filament_density = 1.25
-filament_spool_weight = 0
-filament_colour = #FFFFFF
-filament_notes = "BASF Forward AM Ultrafuse PLA PRO1\nMaterial profile version 1.0\n\nMaterial Description\nPLA PRO1 is an extremely versatile tough PLA filament made for professionals. It reduces your printing time by 30% – 80%, (subject to printer and object limitations) and the strength exceeds overall mechanical properties of printed ABS parts. Printer settings can be tuned to achieve blazing fast speeds or an unrivaled surface finish. The excellent quality control ensures the highest levels of consistency between colors and batches, it will perform as expected, every time.\n\nPrinting Recommendations:\nUltrafuse PLA PRO1 can be printed directly onto a clean build plate.\n"
-
-[filament:Ultrafuse ABS]
-inherits = *ABSC*
-filament_vendor = BASF
-filament_density = 1.04
-min_fan_speed = 10
-max_fan_speed = 20
-bed_temperature = 100
-disable_fan_first_layers = 3
-filament_colour = #FFFFFF
-filament_notes = "BASF Forward AM Ultrafuse ABS\nMaterial profile version 1.0\n\nMaterial Description\nABS is the second most used 3D printing material. It is strong, flexible and has a high heat resistance. ABS is a preferred plastic for engineers and professional applications. ABS can be smoothened with acetone. To make a proper 3D print with ABS you will need a heated print bed. The filament is available in 9 colors.\n\nPrinting Recommendations:\n\nApply Tape, adhesion spray or glue to a clean build plate to improve adhesion.\n"
-
-[filament:Ultrafuse Metal]
-inherits = *ABSC*
-filament_vendor = BASF
-filament_density = 4.5
-extrusion_multiplier = 1.08
-first_layer_temperature = 250
-first_layer_bed_temperature = 100
-temperature = 250
-bed_temperature = 100
-min_fan_speed = 0
-max_fan_speed = 0
-bridge_fan_speed = 0
-cooling = 0
-fan_always_on = 0
-filament_max_volumetric_speed = 4
-filament_type = METAL
-compatible_printers_condition = nozzle_diameter[0]>=0.4
-filament_colour = #FFFFFF
-
-[filament:Polymaker PC-Max]
-inherits = *ABS*
-filament_vendor = Polymaker
-filament_density = 1.20
-filament_type = PC
-bed_temperature = 115
-filament_colour = #FFF2EC
-first_layer_bed_temperature = 100
-first_layer_temperature = 270
-temperature = 270
-bridge_fan_speed = 0
-
-[filament:PrimaSelect PVA+]
-inherits = *PLA*
-filament_vendor = PrimaSelect
-filament_density = 1.23
-cooling = 0
-fan_always_on = 0
-filament_colour = #FFFFD7
-filament_soluble = 1
-filament_type = PVA
-first_layer_temperature = 195
-temperature = 195
-
-[filament:Prusa ABS]
-inherits = *ABSC*
-filament_vendor = Made for Prusa
-filament_density = 1.08
-filament_spool_weight = 230
-
-[filament:Prusa HIPS]
-inherits = *ABS*
-filament_vendor = Made for Prusa
-filament_density = 1.04
-filament_spool_weight = 230
-bridge_fan_speed = 50
-cooling = 1
-extrusion_multiplier = 1
-fan_always_on = 1
-fan_below_layer_time = 10
-filament_colour = #FFFFD7
-filament_soluble = 1
-filament_type = HIPS
-first_layer_temperature = 220
-max_fan_speed = 20
-min_fan_speed = 20
-temperature = 220
-
-[filament:Generic HIPS]
-inherits = *ABS*
-filament_vendor = Generic
-filament_density = 1.04
-bridge_fan_speed = 50
-cooling = 1
-extrusion_multiplier = 1
-fan_always_on = 1
-fan_below_layer_time = 10
-filament_colour = #FFFFD7
-filament_soluble = 1
-filament_type = HIPS
-first_layer_temperature = 230
-max_fan_speed = 20
-min_fan_speed = 20
-temperature = 230
-
-[filament:Prusa PETG]
-inherits = *PET*
-filament_vendor = Made for Prusa
-filament_density = 1.27
-filament_spool_weight = 230
-
-[filament:Verbatim PETG]
-inherits = *PET*
-filament_vendor = Verbatim
-filament_density = 1.27
-filament_spool_weight = 235
-
-[filament:Fiberlogy PETG]
-inherits = *PET*
-filament_vendor = Fiberlogy
-filament_density = 1.27
-
-[filament:Prusament PETG]
-inherits = *PET*
-filament_vendor = Prusa Polymers
-first_layer_temperature = 240
-temperature = 250
-filament_density = 1.27
-filament_spool_weight = 201
-filament_type = PETG
-
-[filament:Prusa PLA]
-inherits = *PLA*
-filament_vendor = Made for Prusa
-filament_density = 1.24
-filament_spool_weight = 230
-
-[filament:Fiberlogy PLA]
-inherits = *PLA*
-filament_vendor = Fiberlogy
-filament_density = 1.24
-
-[filament:Filament PM PLA]
-inherits = *PLA*
-filament_vendor = Filament PM
-filament_density = 1.24
-filament_spool_weight = 230
-
-[filament:AmazonBasics PLA]
-inherits = *PLA*
-filament_vendor = AmazonBasics
-filament_density = 1.24
-
-[filament:Overture PLA]
-inherits = *PLA*
-filament_vendor = Overture
-filament_density = 1.24
-filament_spool_weight = 235
-
-[filament:Hatchbox PLA]
-inherits = *PLA*
-filament_vendor = Hatchbox
-filament_density = 1.27
-filament_spool_weight = 245
-
-[filament:Esun PLA]
-inherits = *PLA*
-filament_vendor = Esun
-filament_density = 1.24
-filament_spool_weight = 265
-
-[filament:Das Filament PLA]
-inherits = *PLA*
-filament_vendor = Das Filament
-filament_density = 1.24
-
-[filament:EUMAKERS PLA]
-inherits = *PLA*
-filament_vendor = EUMAKERS
-filament_density = 1.24
-
-[filament:Floreon3D PLA]
-inherits = *PLA*
-filament_vendor = Floreon3D
-filament_density = 1.24
-
-[filament:Prusament PLA]
-inherits = *PLA*
-filament_vendor = Prusa Polymers
-temperature = 215
-filament_density = 1.24
-filament_spool_weight = 201
-filament_notes = "Affordable filament for everyday printing in premium quality manufactured in-house by Josef Prusa"
-compatible_printers_condition = nozzle_diameter[0]!=0.8 and ! (printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK(2.5|3).*/ and single_extruder_multi_material)
-
-[filament:Prusament PVB]
-inherits = *PLA*
-filament_vendor = Prusa Polymers
-temperature = 215
-bed_temperature = 75
-first_layer_bed_temperature = 75
-filament_density = 1.09
-filament_spool_weight = 201
-filament_type = PVB
-filament_soluble = 1
-filament_colour = #FFFF6F
-slowdown_below_layer_time = 20
-
-[filament:Fillamentum Flexfill 98A]
-inherits = *FLEX*
-filament_vendor = Fillamentum
-filament_density = 1.23
-filament_spool_weight = 230
-extrusion_multiplier = 1.1
-filament_max_volumetric_speed = 1.35
-fan_always_on = 1
-cooling = 0
-max_fan_speed = 60
-min_fan_speed = 60
-disable_fan_first_layers = 4
-
-[filament:Taulman Bridge]
-inherits = *common*
-filament_vendor = Taulman
-filament_density = 1.13
-bed_temperature = 90
-bridge_fan_speed = 40
-cooling = 0
-disable_fan_first_layers = 3
-fan_always_on = 0
-fan_below_layer_time = 20
-filament_colour = #DEE0E6
-filament_soluble = 0
-filament_type = NYLON
-first_layer_bed_temperature = 60
-first_layer_temperature = 240
-max_fan_speed = 0
-min_fan_speed = 0
-temperature = 250
-
-[filament:Fillamentum Nylon FX256]
-inherits = *common*
-filament_vendor = Fillamentum
-filament_density = 1.01
-filament_spool_weight = 230
-bed_temperature = 90
-bridge_fan_speed = 30
-cooling = 1
-disable_fan_first_layers = 6
-fan_always_on = 0
-fan_below_layer_time = 20
-min_print_speed = 15
-slowdown_below_layer_time = 20
-filament_colour = #DEE0E6
-filament_max_volumetric_speed = 6
-filament_soluble = 0
-filament_type = NYLON
-first_layer_bed_temperature = 90
-first_layer_temperature = 250
-max_fan_speed = 0
-min_fan_speed = 0
-temperature = 250
-
-[filament:Fiberthree F3 PA Pure Pro]
-inherits = *common*
-filament_vendor = Fiberthree
-filament_density = 1.2
-bed_temperature = 70
-first_layer_bed_temperature = 75
-first_layer_temperature = 270
-temperature = 270
-bridge_fan_speed = 30
-cooling = 1
-disable_fan_first_layers = 3
-fan_always_on = 1
-fan_below_layer_time = 20
-min_print_speed = 15
-slowdown_below_layer_time = 10
-filament_colour = #DEE0E6
-filament_soluble = 0
-filament_type = NYLON
-max_fan_speed = 20
-min_fan_speed = 20
-
-[filament:Fiberthree F3 PA-CF Pro]
-inherits = *common*
-filament_vendor = Fiberthree
-filament_density = 1.25
-bed_temperature = 70
-first_layer_bed_temperature = 75
-first_layer_temperature = 275
-temperature = 275
-bridge_fan_speed = 30
-cooling = 1
-disable_fan_first_layers = 3
-fan_always_on = 0
-fan_below_layer_time = 20
-min_print_speed = 15
-slowdown_below_layer_time = 10
-filament_colour = #DEE0E6
-filament_soluble = 0
-filament_type = NYLON
-max_fan_speed = 0
-min_fan_speed = 0
-compatible_printers_condition = nozzle_diameter[0]>=0.4
-
-[filament:Fiberthree F3 PA-GF Pro]
-inherits = Fiberthree F3 PA-CF Pro
-filament_vendor = Fiberthree
-filament_density = 1.27
-fan_always_on = 1
-max_fan_speed = 15
-min_fan_speed = 15
-
-[filament:Taulman T-Glase]
-inherits = *PET*
-filament_vendor = Taulman
-filament_density = 1.27
-bridge_fan_speed = 40
-cooling = 0
-fan_always_on = 0
-first_layer_bed_temperature = 90
-first_layer_temperature = 240
-max_fan_speed = 5
-min_fan_speed = 0
-
-[filament:Verbatim PLA]
-inherits = *PLA*
-filament_vendor = Verbatim
-filament_density = 1.24
-filament_spool_weight = 235
-
-[filament:Verbatim BVOH]
-inherits = *common*
-filament_vendor = Verbatim
-filament_density = 1.14
-filament_spool_weight = 235
-bed_temperature = 60
-bridge_fan_speed = 100
-cooling = 0
-disable_fan_first_layers = 1
-extrusion_multiplier = 1
-fan_always_on = 0
-fan_below_layer_time = 100
-filament_colour = #FFFFD7
-filament_soluble = 1
-filament_type = PVA
-first_layer_bed_temperature = 60
-first_layer_temperature = 215
-max_fan_speed = 100
-min_fan_speed = 100
-temperature = 210
-
-[filament:Verbatim PP]
-inherits = *common*
-filament_vendor = Verbatim
-filament_density = 0.89
-filament_spool_weight = 235
-bed_temperature = 100
-bridge_fan_speed = 100
-cooling = 1
-disable_fan_first_layers = 2
-extrusion_multiplier = 1
-fan_always_on = 1
-fan_below_layer_time = 100
-filament_colour = #DEE0E6
-filament_type = PP
-first_layer_bed_temperature = 100
-first_layer_temperature = 220
-max_fan_speed = 100
-min_fan_speed = 100
-temperature = 220
-
diff --git a/resources/profiles/Templates.idx b/resources/profiles/Templates.idx
new file mode 100644
index 000000000..3edb4400f
--- /dev/null
+++ b/resources/profiles/Templates.idx
@@ -0,0 +1,2 @@
+min_slic3r_version = 2.6.0-alpha0
+1.0.0 Initial
diff --git a/resources/profiles/Templates.ini b/resources/profiles/Templates.ini
new file mode 100644
index 000000000..6c6ff646c
--- /dev/null
+++ b/resources/profiles/Templates.ini
@@ -0,0 +1,2144 @@
+# Generic filament profile templates
+
+[vendor]
+name = Filaments Templates
+config_version = 1.0.0
+config_update_url = https://files.prusa3d.com/wp-content/uploads/repository/PrusaSlicer-settings-master/live/Templates/
+templates_profile = 1
+
+## Generic filament profiles
+
+# Print profiles for the Prusa Research printers.
+
+[filament:*common*]
+cooling = 1
+compatible_printers = 
+compatible_printers_condition = 
+end_filament_gcode = "; Filament-specific end gcode"
+extrusion_multiplier = 1
+filament_loading_speed = 14
+filament_loading_speed_start = 19
+filament_unloading_speed = 90
+filament_unloading_speed_start = 100
+filament_toolchange_delay = 0
+filament_cooling_moves = 1
+filament_cooling_initial_speed = 3
+filament_cooling_final_speed = 2
+filament_load_time = 0
+filament_unload_time = 0
+filament_ramming_parameters = "130 120 2.70968 2.93548 3.32258 3.83871 4.58065 5.54839 6.51613 7.35484 7.93548 8.16129| 0.05 2.66451 0.45 3.05805 0.95 4.05807 1.45 5.97742 1.95 7.69999 2.45 8.1936 2.95 11.342 3.45 11.4065 3.95 7.6 4.45 7.6 4.95 7.6"
+filament_minimal_purge_on_wipe_tower = 0
+filament_cost = 0
+filament_density = 0
+filament_diameter = 1.75
+filament_notes = ""
+filament_settings_id = ""
+filament_soluble = 0
+min_print_speed = 10
+slowdown_below_layer_time = 10
+start_filament_gcode = 
+
+[filament:*PLA*]
+inherits = *common*
+bed_temperature = 60
+bridge_fan_speed = 100
+disable_fan_first_layers = 1
+full_fan_speed_layer = 3
+fan_always_on = 1
+fan_below_layer_time = 100
+filament_colour = #FF8000
+filament_max_volumetric_speed = 0
+filament_type = PLA
+first_layer_bed_temperature = 60
+first_layer_temperature = 215
+max_fan_speed = 100
+min_fan_speed = 100
+temperature = 210
+
+[filament:*PET*]
+inherits = *common*
+bed_temperature = 90
+bridge_fan_speed = 50
+disable_fan_first_layers = 3
+full_fan_speed_layer = 5
+fan_always_on = 1
+fan_below_layer_time = 20
+filament_colour = #FF8000
+filament_max_volumetric_speed = 0
+filament_type = PETG
+first_layer_bed_temperature = 85
+first_layer_temperature = 230
+max_fan_speed = 50
+min_fan_speed = 30
+temperature = 240
+
+[filament:*ABS*]
+inherits = *common*
+bed_temperature = 100
+bridge_fan_speed = 25
+cooling = 0
+disable_fan_first_layers = 3
+fan_always_on = 0
+fan_below_layer_time = 20
+filament_colour = #FFF2EC
+filament_max_volumetric_speed = 0
+filament_ramming_parameters = "120 100 5.70968 6.03226 7 8.25806 9 9.19355 9.3871 9.77419 10.129 10.3226 10.4516 10.5161| 0.05 5.69677 0.45 6.15484 0.95 8.76774 1.45 9.20323 1.95 9.95806 2.45 10.3871 2.95 10.5677 3.45 7.6 3.95 7.6 4.45 7.6 4.95 7.6"
+filament_type = ABS
+first_layer_bed_temperature = 100
+first_layer_temperature = 255
+max_fan_speed = 30
+min_fan_speed = 20
+temperature = 255
+
+[filament:*ABSC*]
+inherits = *common*
+bed_temperature = 100
+bridge_fan_speed = 25
+cooling = 1
+disable_fan_first_layers = 4
+fan_always_on = 0
+fan_below_layer_time = 30
+slowdown_below_layer_time = 20
+filament_colour = #FFF2EC
+filament_max_volumetric_speed = 0
+filament_ramming_parameters = "120 100 5.70968 6.03226 7 8.25806 9 9.19355 9.3871 9.77419 10.129 10.3226 10.4516 10.5161| 0.05 5.69677 0.45 6.15484 0.95 8.76774 1.45 9.20323 1.95 9.95806 2.45 10.3871 2.95 10.5677 3.45 7.6 3.95 7.6 4.45 7.6 4.95 7.6"
+filament_type = ABS
+first_layer_bed_temperature = 100
+first_layer_temperature = 255
+max_fan_speed = 15
+min_fan_speed = 15
+min_print_speed = 15
+temperature = 255
+
+[filament:*FLEX*]
+inherits = *common*
+bed_temperature = 50
+bridge_fan_speed = 80
+cooling = 0
+disable_fan_first_layers = 3
+extrusion_multiplier = 1.15
+fan_always_on = 0
+fan_below_layer_time = 100
+filament_colour = #008000
+filament_max_volumetric_speed = 1.8
+filament_type = FLEX
+first_layer_bed_temperature = 50
+first_layer_temperature = 240
+max_fan_speed = 90
+min_fan_speed = 70
+temperature = 240
+
+[filament:ColorFabb bronzeFill]
+inherits = *PLA*
+filament_vendor = ColorFabb
+extrusion_multiplier = 1.12
+filament_cost = 80.65
+filament_density = 3.9
+filament_spool_weight = 236
+filament_colour = #804040
+
+[filament:ColorFabb steelFill]
+inherits = *PLA*
+filament_vendor = ColorFabb
+extrusion_multiplier = 1.1
+filament_cost = 80.65
+filament_density = 3.13
+filament_spool_weight = 236
+filament_colour = #808080
+
+[filament:ColorFabb copperFill]
+inherits = *PLA*
+filament_vendor = ColorFabb
+extrusion_multiplier = 1.1
+filament_cost = 80.65
+filament_density = 3.9
+filament_spool_weight = 236
+filament_colour = #82603E
+
+[filament:ColorFabb HT]
+inherits = *PET*
+filament_vendor = ColorFabb
+bed_temperature = 100
+bridge_fan_speed = 30
+cooling = 1
+disable_fan_first_layers = 3
+fan_always_on = 0
+fan_below_layer_time = 10
+filament_cost = 65.66
+filament_density = 1.18
+filament_spool_weight = 236
+first_layer_bed_temperature = 100
+first_layer_temperature = 270
+max_fan_speed = 20
+min_fan_speed = 10
+temperature = 270
+
+[filament:ColorFabb PLA-PHA]
+inherits = *PLA*
+filament_vendor = ColorFabb
+filament_cost = 54.84
+filament_density = 1.24
+filament_spool_weight = 236
+
+[filament:ColorFabb woodFill]
+inherits = *PLA*
+filament_vendor = ColorFabb
+extrusion_multiplier = 1.1
+filament_cost = 78.63
+filament_density = 1.15
+filament_spool_weight = 236
+filament_colour = #dfc287
+first_layer_temperature = 200
+temperature = 200
+
+[filament:ColorFabb corkFill]
+inherits = *PLA*
+filament_vendor = ColorFabb
+extrusion_multiplier = 1.1
+filament_cost = 78.63
+filament_density = 1.18
+filament_spool_weight = 236
+filament_colour = #634d33
+filament_max_volumetric_speed = 6
+first_layer_temperature = 220
+temperature = 220
+
+[filament:ColorFabb XT]
+inherits = *PET*
+filament_vendor = ColorFabb
+filament_cost = 62.90
+filament_density = 1.27
+filament_spool_weight = 236
+first_layer_bed_temperature = 90
+first_layer_temperature = 260
+temperature = 270
+
+[filament:ColorFabb XT-CF20]
+inherits = *PET*
+filament_vendor = ColorFabb
+extrusion_multiplier = 1.05
+filament_cost = 80.65
+filament_density = 1.35
+filament_spool_weight = 236
+filament_colour = #804040
+filament_max_volumetric_speed = 2
+first_layer_bed_temperature = 90
+first_layer_temperature = 260
+temperature = 260
+
+[filament:ColorFabb nGen]
+inherits = *PET*
+filament_vendor = ColorFabb
+filament_cost = 52.46
+filament_density = 1.2
+filament_spool_weight = 236
+bridge_fan_speed = 40
+fan_always_on = 0
+fan_below_layer_time = 10
+filament_type = NGEN
+first_layer_temperature = 240
+max_fan_speed = 35
+min_fan_speed = 20
+
+[filament:ColorFabb nGen flex]
+inherits = *FLEX*
+filament_vendor = ColorFabb
+filament_cost = 58.30
+filament_density = 1
+filament_spool_weight = 236
+bed_temperature = 85
+bridge_fan_speed = 40
+cooling = 1
+disable_fan_first_layers = 3
+extrusion_multiplier = 1
+fan_below_layer_time = 10
+filament_max_volumetric_speed = 5
+first_layer_bed_temperature = 85
+first_layer_temperature = 260
+max_fan_speed = 35
+min_fan_speed = 20
+temperature = 260
+
+[filament:Kimya PETG Carbon]
+inherits = *PET*
+filament_vendor = Kimya
+extrusion_multiplier = 1.05
+filament_cost = 150.02
+filament_density = 1.317
+filament_colour = #804040
+first_layer_bed_temperature = 85
+first_layer_temperature = 240
+temperature = 240
+
+[filament:Kimya ABS Carbon]
+inherits = *ABSC*
+filament_vendor = Kimya
+filament_cost = 140.34
+filament_density = 1.032
+filament_colour = #804040
+first_layer_temperature = 260
+temperature = 260
+
+[filament:Kimya ABS Kevlar]
+inherits = Kimya ABS Carbon
+filament_vendor = Kimya
+filament_density = 1.037
+
+[filament:E3D Edge]
+inherits = *PET*
+filament_vendor = E3D
+filament_cost = 56.9
+filament_density = 1.26
+filament_type = EDGE
+
+[filament:E3D PC-ABS]
+inherits = *ABS*
+filament_vendor = E3D
+filament_cost = 0
+filament_type = PC
+filament_density = 1.05
+first_layer_temperature = 270
+temperature = 270
+
+[filament:Fillamentum PLA]
+inherits = *PLA*
+filament_vendor = Fillamentum
+filament_cost = 35.48
+filament_density = 1.24
+filament_spool_weight = 230
+
+[filament:Fillamentum ABS]
+inherits = *ABSC*
+filament_vendor = Fillamentum
+filament_cost = 32.4
+filament_density = 1.04
+filament_spool_weight = 230
+first_layer_temperature = 240
+temperature = 240
+
+[filament:Fillamentum ASA]
+inherits = *ABS*
+filament_vendor = Fillamentum
+filament_cost = 38.7
+filament_density = 1.07
+filament_spool_weight = 230
+fan_always_on = 1
+cooling = 1
+min_fan_speed = 20
+max_fan_speed = 20
+min_print_speed = 15
+slowdown_below_layer_time = 15
+first_layer_temperature = 260
+temperature = 260
+filament_type = ASA
+
+[filament:Prusament ASA]
+inherits = *ABS*
+filament_vendor = Prusa Polymers
+filament_cost = 42.69
+filament_density = 1.07
+filament_spool_weight = 201
+fan_always_on = 1
+first_layer_temperature = 260
+first_layer_bed_temperature = 100
+temperature = 260
+bed_temperature = 100
+cooling = 1
+min_fan_speed = 20
+max_fan_speed = 20
+bridge_fan_speed = 30
+min_print_speed = 15
+slowdown_below_layer_time = 15
+disable_fan_first_layers = 4
+filament_type = ASA
+filament_colour = #FFF2EC
+
+[filament:Prusament PC Blend]
+inherits = *ABS*
+filament_vendor = Prusa Polymers
+filament_cost = 62.36
+filament_density = 1.22
+filament_spool_weight = 201
+fan_always_on = 0
+first_layer_temperature = 275
+first_layer_bed_temperature = 105
+temperature = 275
+bed_temperature = 105
+cooling = 1
+min_fan_speed = 20
+max_fan_speed = 20
+bridge_fan_speed = 30
+min_print_speed = 15
+slowdown_below_layer_time = 20
+disable_fan_first_layers = 4
+fan_below_layer_time = 30
+filament_type = PC
+filament_colour = #DEE0E6
+
+[filament:Prusament PC Blend Carbon Fiber]
+inherits = Prusament PC Blend
+filament_cost = 90.73 
+filament_density = 1.16
+extrusion_multiplier = 1.04
+first_layer_temperature = 285
+temperature = 285
+disable_fan_first_layers = 4
+fan_below_layer_time = 10
+filament_colour = #BBBBBB
+
+[filament:Prusament PA11 Carbon Fiber]
+inherits = Prusament PC Blend Carbon Fiber
+filament_cost = 151.24 
+filament_density = 1.11
+filament_type = PA
+extrusion_multiplier = 1.05
+first_layer_temperature = 275
+temperature = 285
+first_layer_bed_temperature = 90
+bed_temperature = 105
+fan_below_layer_time = 10
+
+[filament:Fillamentum CPE]
+inherits = *PET*
+filament_vendor = Fillamentum
+filament_cost = 56.45
+filament_density = 1.25
+filament_spool_weight = 230
+filament_type = CPE
+first_layer_bed_temperature = 90
+first_layer_temperature = 275
+min_fan_speed = 30
+max_fan_speed = 50
+disable_fan_first_layers = 3
+full_fan_speed_layer = 5
+temperature = 275
+
+[filament:Fillamentum Timberfill]
+inherits = *PLA*
+filament_vendor = Fillamentum
+extrusion_multiplier = 1.05
+filament_cost = 68
+filament_density = 1.15
+filament_spool_weight = 230
+filament_colour = #804040
+first_layer_temperature = 190
+temperature = 190
+filament_retract_lift = 0.2
+
+[filament:Smartfil Wood]
+inherits = *PLA*
+filament_vendor = Smart Materials 3D
+extrusion_multiplier = 1.05
+filament_cost = 68
+filament_density = 1.58
+filament_colour = #804040
+first_layer_temperature = 220
+temperature = 220
+
+[filament:Generic ABS]
+inherits = *ABSC*
+filament_vendor = Generic
+filament_cost = 27.82
+filament_density = 1.04
+
+[filament:Esun ABS]
+inherits = *ABSC*
+filament_vendor = Esun
+filament_cost = 27.82
+filament_density = 1.01
+filament_spool_weight = 265
+
+[filament:Hatchbox ABS]
+inherits = *ABSC*
+filament_vendor = Hatchbox
+filament_cost = 27.82
+filament_density = 1.04
+filament_spool_weight = 245
+
+[filament:Filament PM ABS]
+inherits = *ABSC*
+filament_vendor = Filament PM
+filament_cost = 27.82
+filament_density = 1.08
+filament_spool_weight = 230
+
+[filament:Verbatim ABS]
+inherits = *ABSC*
+filament_vendor = Verbatim
+filament_cost = 25.87
+filament_density = 1.05
+filament_spool_weight = 235
+
+[filament:Generic PETG]
+inherits = *PET*
+filament_vendor = Generic
+filament_cost = 27.82
+filament_density = 1.27
+
+[filament:Extrudr DuraPro ASA]
+inherits = Fillamentum ASA
+filament_vendor = Extrudr
+bed_temperature = 90
+filament_cost = 34.64
+filament_density = 1.05
+filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=120"
+first_layer_bed_temperature = 90
+first_layer_temperature = 220
+temperature = 220
+filament_spool_weight = 230
+
+[filament:Extrudr PETG]
+inherits = *PET*
+filament_vendor = Extrudr
+bed_temperature = 70
+filament_cost = 35.45
+filament_density = 1.29
+filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=94"
+first_layer_bed_temperature = 70
+first_layer_temperature = 220
+temperature = 220
+slowdown_below_layer_time = 20
+filament_spool_weight = 262
+full_fan_speed_layer = 0
+
+[filament:Extrudr XPETG CF]
+inherits = Extrudr PETG
+filament_cost = 62.49
+filament_density = 1.29
+filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=198"
+first_layer_temperature = 235
+temperature = 235
+filament_spool_weight = 230
+
+[filament:Extrudr XPETG Matt]
+inherits = Extrudr PETG
+filament_cost = 29.99
+filament_density = 1.41
+filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=199"
+first_layer_temperature = 230
+temperature = 230
+
+[filament:Extrudr BioFusion]
+inherits = *PLA*
+filament_vendor = Extrudr
+disable_fan_first_layers = 3
+full_fan_speed_layer = 0
+filament_cost = 31.23
+filament_density = 1.25
+filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=121"
+first_layer_temperature = 220
+temperature = 220
+max_fan_speed = 45
+min_fan_speed = 25
+slowdown_below_layer_time = 20
+filament_spool_weight = 230
+
+[filament:Extrudr Flax]
+inherits = *PLA*
+filament_vendor = Extrudr
+filament_cost = 50.91
+filament_density = 1.45
+filament_notes = "High Performance Filament for decorative parts.\nPrints as easily as PLA with much higher strength and temperature resistance.\nFully biodegradable with a nice matt finish.\n\nhttps://www.extrudr.com/en/products/catalogue/?material=131"
+first_layer_temperature = 190
+temperature = 190
+max_fan_speed = 80
+min_fan_speed = 30
+full_fan_speed_layer = 0
+slowdown_below_layer_time = 20
+filament_spool_weight = 262
+
+[filament:Extrudr GreenTEC]
+inherits = *PLA*
+filament_vendor = Extrudr
+filament_cost = 50.91
+filament_density = 1.3
+filament_notes = "https://www.extrudr.com/en/products/catalogue/?ignorechildren=1&material=106"
+first_layer_temperature = 208
+temperature = 208
+slowdown_below_layer_time = 20
+filament_spool_weight = 262
+
+[filament:Extrudr GreenTEC Pro]
+inherits = *PLA*
+filament_vendor = Extrudr
+filament_cost = 56.23
+filament_density = 1.35
+filament_notes = "High Performance Filament for technical parts.\nPrints as easily as PLA with much higher strength and temperature resistance.\nFully biodegradable with a nice matt finish.\n\nhttps://www.extrudr.com/en/products/catalogue/?material=134"
+temperature = 215
+max_fan_speed = 80
+min_fan_speed = 30
+full_fan_speed_layer = 0
+slowdown_below_layer_time = 20
+filament_spool_weight = 230
+
+[filament:Extrudr GreenTEC Pro Carbon]
+inherits = *PLA*
+filament_vendor = Extrudr
+filament_cost = 62.49
+filament_density = 1.2
+filament_notes = "High Performance Filament for technical parts.\nPrints as easily as PLA with much higher stregnth and temperature resistance.\nFully biodegradable with a nice matt finish.\n\nhttps://www.extrudr.com/en/products/catalogue/?material=138"
+first_layer_temperature = 225
+max_fan_speed = 80
+min_fan_speed = 30
+temperature = 225
+full_fan_speed_layer = 0
+slowdown_below_layer_time = 20
+filament_spool_weight = 230
+
+[filament:Extrudr PLA NX1]
+inherits = *PLA*
+filament_vendor = Extrudr
+filament_cost = 22.76
+filament_density = 1.24
+filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=97"
+temperature = 205
+bed_temperature = 60
+first_layer_temperature = 205
+first_layer_bed_temperature = 60
+full_fan_speed_layer = 0
+max_fan_speed = 90
+min_fan_speed = 30
+slowdown_below_layer_time = 20
+filament_spool_weight = 262
+
+[filament:Extrudr PLA NX2]
+inherits = Extrudr PLA NX1
+filament_cost = 23.63
+filament_density = 1.3
+filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=128"
+
+[filament:Extrudr Flex Hard]
+inherits = *FLEX*
+filament_vendor = Extrudr
+disable_fan_first_layers = 1
+extrusion_multiplier = 1.15
+filament_cost = 39.98
+filament_density = 1.2
+filament_max_volumetric_speed = 3
+filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=115"
+filament_spool_weight = 230
+slowdown_below_layer_time = 20
+
+[filament:Extrudr Flex Medium]
+inherits = *FLEX*
+filament_vendor = Extrudr
+disable_fan_first_layers = 1
+extrusion_multiplier = 1.15
+filament_cost = 39.98
+filament_density = 1.19
+filament_max_volumetric_speed = 3
+filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=117"
+filament_spool_weight = 230
+slowdown_below_layer_time = 20
+
+[filament:Extrudr Flex SemiSoft]
+inherits = *FLEX*
+filament_vendor = Extrudr
+disable_fan_first_layers = 1
+extrusion_multiplier = 1.15
+filament_cost = 39.98
+filament_density = 1.18
+filament_max_volumetric_speed = 1.8
+filament_notes = "https://www.extrudr.com/en/products/catalogue/?material=116"
+filament_spool_weight = 230
+slowdown_below_layer_time = 20
+
+[filament:addnorth Adamant S1]
+inherits = *FLEX*
+filament_vendor = addnorth
+disable_fan_first_layers = 3
+extrusion_multiplier = 1
+filament_cost = 
+filament_density = 1.22
+temperature = 250
+bed_temperature = 50
+first_layer_temperature = 245
+first_layer_bed_temperature = 50
+slowdown_below_layer_time = 20
+min_print_speed = 20
+fan_below_layer_time = 15
+fan_always_on = 1
+cooling = 1
+min_fan_speed = 40
+max_fan_speed = 70
+bridge_fan_speed = 60
+filament_max_volumetric_speed = 1.7
+
+[filament:addnorth Adura X]
+inherits = *PET*
+filament_vendor = addnorth
+filament_cost = 29.99
+filament_density = 1.27
+filament_type = PA
+extrusion_multiplier = 0.98
+bed_temperature = 105
+first_layer_bed_temperature = 105
+first_layer_temperature = 265
+temperature = 270
+fan_always_on = 0
+min_fan_speed = 20
+max_fan_speed = 40
+bridge_fan_speed = 70
+slowdown_below_layer_time = 10
+min_print_speed = 20
+fan_below_layer_time = 10
+disable_fan_first_layers = 3
+full_fan_speed_layer = 0
+
+[filament:addnorth E-PLA]
+inherits = *PLA*
+filament_vendor = addnorth
+filament_cost = 24.99
+filament_density = 1.24
+extrusion_multiplier = 0.98
+temperature = 215
+bed_temperature = 60
+first_layer_temperature = 215
+first_layer_bed_temperature = 60
+full_fan_speed_layer = 3
+slowdown_below_layer_time = 15
+filament_spool_weight = 0
+
+[filament:addnorth ESD-PETG]
+inherits = *PET*
+filament_vendor = addnorth
+filament_cost = 29.99
+filament_density = 1.27
+extrusion_multiplier = 1
+bed_temperature = 80
+first_layer_bed_temperature = 85
+first_layer_temperature = 245
+temperature = 265
+fan_always_on = 1
+min_fan_speed = 15
+max_fan_speed = 30
+bridge_fan_speed = 35
+slowdown_below_layer_time = 10
+min_print_speed = 15
+fan_below_layer_time = 8
+disable_fan_first_layers = 3
+full_fan_speed_layer = 0
+
+[filament:addnorth OBC Polyethylene]
+inherits = *FLEX*
+filament_vendor = addnorth
+disable_fan_first_layers = 3
+extrusion_multiplier = 1
+filament_cost = 82
+filament_density = 1.22
+temperature = 200
+bed_temperature = 100
+first_layer_temperature = 195
+first_layer_bed_temperature = 100
+slowdown_below_layer_time = 5
+fan_below_layer_time = 15
+fan_always_on = 1
+cooling = 1
+min_fan_speed = 20
+max_fan_speed = 30
+bridge_fan_speed = 40
+min_print_speed = 20
+filament_spool_weight = 0
+filament_notes = "Use Magigoo PP bed adhesive or PP packing tape (on a cold printbed)."
+
+[filament:addnorth PETG]
+inherits = *PET*
+filament_vendor = addnorth
+filament_cost = 29.99
+filament_density = 1.27
+bed_temperature = 80
+first_layer_bed_temperature = 85
+first_layer_temperature = 240
+temperature = 250
+fan_always_on = 1
+min_fan_speed = 15
+max_fan_speed = 40
+bridge_fan_speed = 50
+slowdown_below_layer_time = 10
+min_print_speed = 15
+fan_below_layer_time = 15
+disable_fan_first_layers = 3
+full_fan_speed_layer = 0
+filament_spool_weight = 0
+
+[filament:addnorth Rigid X]
+inherits = *PET*
+filament_vendor = addnorth
+filament_cost = 29.99
+filament_density = 1.27
+extrusion_multiplier = 1
+bed_temperature = 85
+first_layer_bed_temperature = 90
+first_layer_temperature = 250
+temperature = 260
+fan_always_on = 1
+min_fan_speed = 20
+max_fan_speed = 60
+bridge_fan_speed = 70
+slowdown_below_layer_time = 10
+fan_below_layer_time = 20
+min_print_speed = 20
+disable_fan_first_layers = 3
+full_fan_speed_layer = 0
+filament_spool_weight = 0
+filament_notes = "Please use a nozzle that is resistant to abrasive filaments, like hardened steel."
+
+[filament:addnorth Textura]
+inherits = *PLA*
+filament_vendor = addnorth
+filament_cost = 24.99
+filament_density = 1.24
+extrusion_multiplier = 0.95
+temperature = 215
+bed_temperature = 65
+first_layer_temperature = 215
+first_layer_bed_temperature = 65
+min_fan_speed = 20
+max_fan_speed = 40
+bridge_fan_speed = 60
+full_fan_speed_layer = 0
+slowdown_below_layer_time = 15
+min_print_speed = 20
+filament_spool_weight = 0
+
+[filament:Filamentworld ABS]
+inherits = *ABSC*
+filament_vendor = Filamentworld
+filament_cost = 24.9
+filament_density = 1.04
+temperature = 230
+bed_temperature = 95
+first_layer_temperature = 240
+first_layer_bed_temperature = 100
+max_fan_speed = 20
+min_fan_speed = 10
+min_print_speed = 20
+disable_fan_first_layers = 3
+fan_below_layer_time = 60
+slowdown_below_layer_time = 15
+bridge_fan_speed = 20
+
+[filament:Filamentworld PETG]
+inherits = *PET*
+filament_vendor = Filamentworld
+filament_cost = 34.9
+filament_density = 1.27
+bed_temperature = 70
+first_layer_bed_temperature = 85
+first_layer_temperature = 240
+temperature = 235
+fan_always_on = 1
+min_fan_speed = 25
+max_fan_speed = 55
+bridge_fan_speed = 55
+slowdown_below_layer_time = 20
+min_print_speed = 20
+fan_below_layer_time = 35
+disable_fan_first_layers = 2
+full_fan_speed_layer = 0
+filament_spool_weight = 0
+
+[filament:Filamentworld PLA]
+inherits = *PLA*
+filament_vendor = Filamentworld
+filament_cost = 24.9
+filament_density = 1.24
+temperature = 205
+bed_temperature = 55
+first_layer_temperature = 215
+first_layer_bed_temperature = 60
+full_fan_speed_layer = 3
+slowdown_below_layer_time = 10
+filament_spool_weight = 0
+min_print_speed = 20
+
+[filament:Filament PM PETG]
+inherits = *PET*
+filament_vendor = Filament PM
+filament_cost = 27.82
+filament_density = 1.27
+filament_spool_weight = 230
+
+[filament:Generic PLA]
+inherits = *PLA*
+filament_vendor = Generic
+filament_cost = 25.4
+filament_density = 1.24
+
+[filament:3D-Fuel Standard PLA]
+inherits = *PLA*
+filament_vendor = 3D-Fuel
+filament_cost = 22.14
+filament_density = 1.24
+first_layer_temperature = 210
+temperature = 200
+
+[filament:3D-Fuel EasiPrint PLA]
+inherits = 3D-Fuel Standard PLA
+filament_cost = 30.44
+
+[filament:3D-Fuel Pro PLA]
+inherits = *PLA*
+filament_vendor = 3D-Fuel
+filament_cost = 26.57
+filament_density = 1.22
+first_layer_temperature = 220
+temperature = 215
+
+[filament:3D-Fuel Buzzed]
+inherits = 3D-Fuel Standard PLA
+filament_cost = 44.27
+filament_retract_lift = 0
+first_layer_temperature = 210
+temperature = 195
+
+[filament:3D-Fuel Wound up]
+inherits = 3D-Fuel Buzzed
+filament_cost = 44.27
+filament_retract_lift = nil
+first_layer_temperature = 215
+temperature = 210
+
+[filament:3D-Fuel Workday ABS]
+inherits = *ABSC*
+filament_vendor = 3D-Fuel
+filament_cost = 23.25
+filament_density = 1.04
+
+[filament:Jessie PLA]
+inherits = *PLA*
+filament_vendor = Printed Solid
+filament_cost = 21
+filament_density = 1.24
+
+[filament:Jessie PETG]
+inherits = *PET*
+filament_vendor = Printed Solid
+filament_cost = 22
+filament_density = 1.27
+first_layer_temperature = 240
+first_layer_bed_temperature = 85
+temperature = 245
+bed_temperature = 90
+
+[filament:Devil Design PLA]
+inherits = *PLA*
+filament_vendor = Devil Design
+filament_cost = 20.99
+filament_density = 1.24
+filament_spool_weight = 250
+
+[filament:Devil Design PETG]
+inherits = *PET*
+filament_vendor = Devil Design
+filament_cost = 20.99
+filament_density = 1.23
+filament_spool_weight = 250
+first_layer_temperature = 230
+first_layer_bed_temperature = 85
+temperature = 230
+bed_temperature = 90
+
+[filament:Spectrum PLA]
+inherits = *PLA*
+filament_vendor = Spectrum
+filament_cost = 21.50
+filament_density = 1.24
+
+[filament:Generic FLEX]
+inherits = *FLEX*
+filament_vendor = Generic
+filament_cost = 82
+filament_density = 1.22
+filament_max_volumetric_speed = 1.2
+filament_retract_length = 0
+filament_retract_speed = nil
+filament_retract_lift = nil
+
+[filament:Fillamentum Flexfill 92A]
+inherits = *FLEX*
+filament_vendor = Fillamentum
+filament_cost = 33.99
+filament_density = 1.20
+filament_spool_weight = 230
+filament_max_volumetric_speed = 1.2
+fan_always_on = 1
+cooling = 0
+max_fan_speed = 60
+min_fan_speed = 60
+disable_fan_first_layers = 4
+full_fan_speed_layer = 6
+
+[filament:AmazonBasics TPU]
+inherits = *FLEX*
+filament_vendor = AmazonBasics
+fan_always_on = 1
+filament_max_volumetric_speed = 1.8
+extrusion_multiplier = 1.14
+first_layer_temperature = 235
+first_layer_bed_temperature = 50
+temperature = 235
+bed_temperature = 50
+bridge_fan_speed = 100
+max_fan_speed = 80
+min_fan_speed = 80
+filament_retract_before_travel = 3
+filament_cost = 19.99
+filament_density = 1.21
+disable_fan_first_layers = 4
+full_fan_speed_layer = 6
+min_print_speed = 15
+slowdown_below_layer_time = 10
+cooling = 1
+
+[filament:SainSmart TPU]
+inherits = *FLEX*
+filament_vendor = SainSmart
+fan_always_on = 1
+filament_max_volumetric_speed = 2.5
+extrusion_multiplier = 1.05
+first_layer_temperature = 230
+first_layer_bed_temperature = 50
+temperature = 230
+bed_temperature = 50
+bridge_fan_speed = 100
+max_fan_speed = 80
+min_fan_speed = 80
+filament_retract_before_travel = 3
+filament_cost = 32.99
+filament_density = 1.21
+disable_fan_first_layers = 4
+full_fan_speed_layer = 6
+min_print_speed = 15
+slowdown_below_layer_time = 10
+cooling = 1
+
+[filament:NinjaTek NinjaFlex TPU]
+inherits = *FLEX*
+filament_vendor = NinjaTek
+fan_always_on = 1
+filament_max_volumetric_speed = 1.2
+extrusion_multiplier = 1.15
+first_layer_temperature = 238
+first_layer_bed_temperature = 50
+temperature = 238
+bed_temperature = 50
+bridge_fan_speed = 75
+max_fan_speed = 60
+min_fan_speed = 60
+filament_cost = 85
+filament_density = 1.19
+disable_fan_first_layers = 1
+full_fan_speed_layer = 3
+min_print_speed = 10
+slowdown_below_layer_time = 10
+cooling = 1
+
+[filament:NinjaTek Cheetah TPU]
+inherits = NinjaTek NinjaFlex TPU
+filament_retract_length = 1.5
+filament_density = 1.22
+filament_max_volumetric_speed = 4
+extrusion_multiplier = 1.05
+filament_retract_speed = 45
+filament_deretract_speed = 25
+first_layer_temperature = 240
+temperature = 240
+
+[filament:Filatech FilaFlex40]
+inherits = *FLEX*
+filament_vendor = Filatech
+fan_always_on = 1
+filament_max_volumetric_speed = 2.5
+extrusion_multiplier = 1.1
+first_layer_temperature = 230
+first_layer_bed_temperature = 50
+temperature = 230
+bed_temperature = 50
+bridge_fan_speed = 100
+max_fan_speed = 50
+min_fan_speed = 50
+filament_cost = 84.68
+filament_density = 1.22
+disable_fan_first_layers = 4
+full_fan_speed_layer = 6
+min_print_speed = 15
+slowdown_below_layer_time = 10
+cooling = 1
+
+[filament:Filatech FilaFlex30]
+inherits = Filatech FilaFlex40
+temperature = 225
+filament_density = 1.15
+extrusion_multiplier = 1.1
+filament_cost =
+
+[filament:Filatech FilaFlex55]
+inherits = Filatech FilaFlex40
+temperature = 230
+filament_density = 1.18
+bed_temperature = 60
+fan_always_on = 0
+fan_below_layer_time = 60
+filament_cost =
+first_layer_temperature = 235
+extrusion_multiplier = 1
+
+[filament:Filatech TPU]
+inherits = Filatech FilaFlex40
+first_layer_temperature = 230
+filament_density = 1.2
+fan_below_layer_time = 60
+max_fan_speed = 80
+min_fan_speed = 80
+fan_always_on = 1
+temperature = 235
+
+[filament:Filatech ABS]
+inherits = *ABSC*
+filament_vendor = Filatech
+filament_cost = 
+extrusion_multiplier = 1
+filament_density = 1.05
+
+[filament:Filatech FilaCarbon]
+inherits = *ABSC*
+filament_vendor = Filatech
+filament_cost = 
+extrusion_multiplier = 0.95
+filament_density = 1.1
+first_layer_bed_temperature = 100
+bed_temperature = 100
+
+[filament:Filatech FilaPLA]
+inherits = *PLA*
+filament_vendor = Filatech
+filament_cost = 
+filament_density = 1.3
+first_layer_temperature = 235
+first_layer_bed_temperature = 50
+temperature = 230
+bed_temperature = 55
+
+[filament:Filatech PLA]
+inherits = *PLA*
+filament_vendor = Filatech
+filament_cost = 
+filament_density = 1.25
+first_layer_temperature = 215
+temperature = 210
+
+[filament:Filatech PLA+]
+inherits = Filatech PLA
+filament_density = 1.24
+
+[filament:Filatech FilaTough]
+inherits = Filatech ABS
+filament_cost = 
+extrusion_multiplier = 0.95
+filament_density = 1.29
+first_layer_temperature = 245
+first_layer_bed_temperature = 80
+temperature = 240
+bed_temperature = 90
+cooling = 0
+
+[filament:Filatech HIPS]
+inherits = Prusa HIPS
+filament_vendor = Filatech
+filament_density = 1.07
+filament_spool_weight = 
+first_layer_temperature = 230
+first_layer_bed_temperature = 100
+temperature = 225
+bed_temperature = 100
+
+[filament:Filatech PA]
+inherits = *ABSC*
+filament_vendor = Filatech
+filament_density = 1.1
+first_layer_temperature = 275
+first_layer_bed_temperature = 105
+temperature = 275
+bed_temperature = 105
+fan_always_on = 0
+cooling = 0
+bridge_fan_speed = 25
+filament_type = PA
+
+[filament:Filatech PC]
+inherits = Filatech PA
+filament_density = 1.2
+filament_type = PC
+
+[filament:Filatech PC-ABS]
+inherits = Filatech PC
+first_layer_temperature = 270
+temperature = 270
+first_layer_bed_temperature = 105
+bed_temperature = 105
+filament_density = 1.08
+filament_type = PC
+fan_always_on = 0
+cooling = 1
+extrusion_multiplier = 0.95
+disable_fan_first_layers = 6
+
+[filament:Filatech PETG]
+inherits = *PET*
+filament_vendor = Filatech
+filament_cost = 
+filament_density = 1.27
+first_layer_temperature = 240
+first_layer_bed_temperature = 75
+temperature = 245
+bed_temperature = 80
+extrusion_multiplier = 0.95
+fan_always_on = 0
+
+[filament:Filatech Wood-PLA]
+inherits = Filatech PLA
+filament_density = 1.05
+first_layer_temperature = 210
+
+[filament:Ultrafuse PET]
+inherits = *PET*
+filament_vendor = BASF
+filament_density = 1.33
+filament_colour = #F7F7F7
+first_layer_temperature = 220
+first_layer_bed_temperature = 70
+temperature = 215
+bed_temperature = 70
+fan_below_layer_time = 10
+min_fan_speed = 75
+max_fan_speed = 100
+bridge_fan_speed = 100
+filament_type = PET
+disable_fan_first_layers = 1
+full_fan_speed_layer = 3
+filament_notes = "Material Description\nUltrafuse PET is made from a premium PET and prints as easy as PLA, but is much stronger. The filament has a large operating window for printing (temperature vs. speed), so it can be used on every 3D-printer. PET will give you outstanding printing results: a good layer adhesion, a high resolution and it is easy to handle. Ultrafuse PET can be 100% recycled, is watertight and has great colors and finish.\n\nPrinting Recommendations:\nUltrafuse PET can be printed directly onto a clean build plate. For challenging prints, use 3dLac to improve adhesion."
+
+[filament:Ultrafuse PRO1]
+inherits = Prusament PLA
+filament_vendor = BASF
+filament_cost = 
+filament_density = 1.25
+filament_spool_weight = 0
+filament_colour = #FFFFFF
+filament_notes = "Material Description\nPLA PRO1 is an extremely versatile tough PLA filament made for professionals. It reduces your printing time by 30% – 80%, (subject to printer and object limitations) and the strength exceeds overall mechanical properties of printed ABS parts. Printer settings can be tuned to achieve blazing fast speeds or an unrivaled surface finish. The excellent quality control ensures the highest levels of consistency between colors and batches, it will perform as expected, every time.\n\nPrinting Recommendations:\nUltrafuse PLA PRO1 can be printed directly onto a clean build plate."
+
+[filament:Ultrafuse ABS]
+inherits = *ABSC*
+filament_vendor = BASF
+filament_density = 1.04
+min_fan_speed = 10
+max_fan_speed = 20
+bed_temperature = 100
+disable_fan_first_layers = 3
+filament_colour = #FFFFFF
+filament_notes = "Material Description\nABS is the second most used 3D printing material. It is strong, flexible and has a high heat resistance. ABS is a preferred plastic for engineers and professional applications. ABS can be smoothened with acetone. To make a proper 3D print with ABS you will need a heated print bed. The filament is available in 9 colors.\n\nPrinting Recommendations:\n\nApply Tape, adhesion spray or glue to a clean build plate to improve adhesion."
+
+[filament:Ultrafuse ABS Fusion+]
+inherits = Ultrafuse ABS
+filament_density = 1.08
+first_layer_bed_temperature = 100
+first_layer_temperature = 270
+temperature = 270
+filament_colour = #FFF8D9
+filament_notes = "Material Description\nABS Fusion+ made with Polyscope XILOY™ 3D is an engineering filament which has been optimized for 3D-printing. This special grade has been developed in collaboration with Polyscope Polymers - renowned for its material solutions in the automotive industry. ABS is a thermoplastic which is used in many applications. Although ABS has been classified as a standard material in 3D-printing it is known to be quite challenging to process. ABS Fusion+ combines the properties of ABS with an improved processability. The filament is based on an ABS grade which can be directly printed on glass without any adhesives or tape and has a higher success rate of prints due to extreme low warping."
+
+[filament:Ultrafuse ASA]
+inherits = Ultrafuse ABS Fusion+
+filament_density = 1.07
+filament_colour = #FFF4CA
+first_layer_temperature = 275
+temperature = 275
+first_layer_bed_temperature = 100
+bed_temperature = 100
+filament_type = ASA
+min_fan_speed = 25
+max_fan_speed = 50
+bridge_fan_speed = 100
+disable_fan_first_layers = 4
+filament_notes = "Material Description\nUltrafuse ASA is a high-performance thermoplastic with similar mechanical properties as ABS. ASA offers additional benefits such as high outdoor weather resistance. The UV resistance, toughness, and rigidity make it an ideal material to 3D-print outdoor fixtures and appliances without losing its properties or color. When also taking into account the high heat resistance and high chemical resistance, this filament is a good choice for many types of applications.\n\nPrinting Recommendations:\nApply Magigoo PC, 3D lac or Dimafix to a clean build plate to improve adhesion."
+
+[filament:Ultrafuse HIPS]
+inherits = Ultrafuse ABS
+temperature = 250
+filament_density = 1.02
+filament_type = HIPS
+min_fan_speed = 20
+max_fan_speed = 20
+filament_soluble = 1
+filament_notes = "Material Description\nUltrafuse HIPS is a high-quality engineering thermoplastic, which is well known in the 3D-printing industry as a support material for ABS. But this material has additional properties to offer like good impact resistance, good dimensional stability, and easy post-processing. HiPS is a great material to use as a support for ABS because there is a good compatibility between the two materials, and HIPS is an easy breakaway support. Now you have the opportunity to create ABS models with complex geometry. HIPS is easy to post process with glue or with sanding paper."
+
+[filament:Ultrafuse PA]
+inherits = Fillamentum Nylon FX256
+filament_vendor = BASF
+filament_density = 1.12
+filament_colour = #ECFAFF
+first_layer_temperature = 240
+temperature = 240
+first_layer_bed_temperature = 80
+bed_temperature = 70
+min_fan_speed = 0
+max_fan_speed = 0
+bridge_fan_speed = 0
+fan_below_layer_time = 30
+slowdown_below_layer_time = 20
+min_print_speed = 15
+filament_notes = "Material Description\nThe key features of Ultrafuse PA are the high strength and high modulus. Furthermore, Ultrafuse PA shows a good thermal distortion stability.\n\nPrinting Recommendations:\nApply PVA glue, Kapton tape or PA adhesive to a clean buildplate to improve adhesion."
+
+[filament:Ultrafuse PA6 GF30]
+inherits = Ultrafuse PA
+filament_density = 1.17
+first_layer_temperature = 270
+temperature = 270
+first_layer_bed_temperature = 100
+bed_temperature = 100
+filament_colour = #404040
+fan_always_on = 1
+min_fan_speed = 0
+max_fan_speed = 50
+bridge_fan_speed = 100
+disable_fan_first_layers = 1
+full_fan_speed_layer = 3
+slowdown_below_layer_time = 15
+filament_notes = "Material Description\nUltrafuse® PA6 GF30 is a unique compound specifically developed for FFF printing. Due to the glass fiber content of 30%, parts tend to warp less. In addition the excellent layer adhesion and its compatibility with the water soluble support Ultrafuse® BVOH make this material the perfect solution to develop industrial applications on an FFF printer.\n\nWith its high wear and chemical resistance, high stiffness and strength, Ultrafuse® PA6 GF30 is perfect for a wide variety of applications in automotive, electronics or transportation.\n\nUltrafuse PA6 GF30 is designed for functional prototyping and demanding applications such as industrial tooling, transportation, electronics, small appliances, sports & leisure\n\nPrinting Recommendations:\nThis material contains fibers that have an abrasive effect on printer components. Use a hardened or Ruby nozzle with a diameter of 0.6 or larger for optimal performance and avoid damage to the nozzle.\n\nUltrafuse PA6 GF30 can be printed directly onto a clean build plate. For challenging prints, use Magigoo PA gluestick  to improve adhesion."
+
+[filament:Ultrafuse PAHT-CF15]
+inherits = Ultrafuse PA6 GF30
+filament_density = 1.23
+filament_notes = "Material Description\nPAHT CF15 is a high-performance 3D printing filament that opens new application fields in FFF printing. In parallel to its advanced mechanical properties, dimensional stability, and chemical resistance, it has very good processability. It works in any FFF printer with a hardened nozzle. In addition to that, it is compatible with water-soluble support material and HiPS, which allow printing complex geometries that work in challenging environments. PAHT CF15 has high heat resistance up to 130 °C and low moisture absorption.\n\nPrinting Recommendations:\nThis material contains fibers that have an abrasive effect on printer components. Use a hardened or Ruby nozzle with a diameter of 0.6 or larger for optimal performance and avoid damage to the nozzle.\n\nUltrafuse PAHT-CF can be printed directly onto a clean build plate. For challenging prints, use 3dLac to improve adhesion."
+
+[filament:Ultrafuse PC-ABS-FR]
+inherits = Ultrafuse ABS
+filament_colour = #505050
+filament_density = 1.17
+first_layer_temperature = 275
+temperature = 275
+first_layer_bed_temperature = 105
+bed_temperature = 105
+filament_type = PC
+min_fan_speed = 20
+max_fan_speed = 20
+bridge_fan_speed = 30
+disable_fan_first_layers = 4
+filament_notes = "Material Description\nUltrafuse® PC/ABS FR Black is a V-0 flame retardant blend of Polycarbonate and ABS – two of the most used thermoplastics for engineering & electrical applications. The combination of these two materials results in a premium material with a mix of the excellent mechanical properties of PC and the comparably low printing temperature of ABS. Combined with a halogen free flame retardant, parts printed with Ultrafuse® PC/ABS FR Black feature great tensile and impact strength, higher thermal resistance than ABS and can fulfill the requirements of the UL94 V-0 standard.\n\nPrinting Recommendations:\nApply Magigoo PC to a clean build plate to improve adhesion."
+
+[filament:Ultrafuse PET-CF15]
+inherits = Ultrafuse PET
+filament_density = 1.36
+filament_colour = #404040
+first_layer_temperature = 270
+temperature = 270
+first_layer_bed_temperature = 75
+bed_temperature = 75
+min_fan_speed = 60
+max_fan_speed = 100
+bridge_fan_speed = 100
+disable_fan_first_layers = 1
+full_fan_speed_layer = 3
+slowdown_below_layer_time = 15
+fan_below_layer_time = 30
+filament_notes = "Material Description\nPET CF15 is a Carbon Fiber reinforced PET which has precisely tuned material properties, for a wide range of technical applications. The filament is very strong and stiff and has high heat resistance. With its high dimensional stability and low abrasiveness, the filament offers an easy to print experience which allows direct printing on glass or a PEI sheet. It is compatible with HiPS for breakaway support and water soluble support and has an excellent surface finish.\n\nPrinting Recommendations:\nThis material contains fibers that have an abrasive effect on printer components. Use a hardened or Ruby nozzle with a diameter of 0.6 or larger for optimal performance and avoid damage to the nozzle.\n\nUltrafuse PET-CF15 can be printed directly onto a clean build plate. For challenging prints, use 3dLac to improve adhesion."
+
+[filament:Ultrafuse PLA]
+inherits = *PLA*
+filament_vendor = BASF
+filament_density = 1.25
+full_fan_speed_layer = 3
+filament_notes = "Material Description\nPLA is one of the most used materials for 3D printing. Ultrafuse PLA is available in a wide range of colors. The glossy feel often attracts those who print display models or items for household use. Many appreciate the plant-based origin of this material. When properly cooled, PLA has a high maximum printing speed and sharp printed corners. Combining this with low warping of the print makes it a popular plastic for home printers, hobbyists, prototyping and schools.\n\nPrinting Recommendations:\nUltrafuse PLA can be printed directly onto a clean build plate."
+
+[filament:Ultrafuse PP]
+inherits = Ultrafuse ABS
+filament_density = 0.91
+filament_colour = #F0F0F0
+first_layer_temperature = 240
+temperature = 240
+first_layer_bed_temperature = 80
+bed_temperature = 70
+min_fan_speed = 100
+max_fan_speed = 100
+bridge_fan_speed = 100
+disable_fan_first_layers = 1
+full_fan_speed_layer = 3
+fan_below_layer_time = 60
+slowdown_below_layer_time = 20
+min_print_speed = 10
+filament_type = PP
+filament_max_volumetric_speed = 2.5
+filament_notes = "Material Description\nUltrafuse PP is high-performance thermoplastic with low density, high elasticity and high resistance to fatigue. The mechanical properties make it an ideal material for 3D-printing applications which have to endure high stress or strain. The filament has high chemical resistance and a high isolation value. PP is one of the most used materials in the world, due to its versatility and ability to engineer lightweight tough parts.\n\nPrinting Recommendations:\nApply PP tape or Magigoo PP adhesive to the buildplate for optimal adhesion."
+
+[filament:Ultrafuse PP-GF30]
+inherits = Ultrafuse PP
+filament_density = 1.07
+filament_colour = #404040
+first_layer_temperature = 260
+temperature = 250
+first_layer_bed_temperature = 90
+bed_temperature = 40
+min_fan_speed = 40
+max_fan_speed = 75
+fan_always_on = 1
+fan_below_layer_time = 30
+slowdown_below_layer_time = 15
+min_print_speed = 15
+filament_notes = "Ultrafuse PP GF30 is polypropylene, reinforced with 30% glass fiber content. The fibers in this compound are specially designed for 3D-printing filaments and are compatible with a wide range of standard FFF 3D-printers. The extreme stiffness makes this material highly suitable for demanding applications. Other key properties of PPGF30 are high heat resistance and improved UV-resistance. All these excellent properties make this filament highly suitable in an industrial environment.\n\nPrinting Recommendations:\nThis material contains fibers that have an abrasive effect on printer components. Use a hardened or Ruby nozzle with a diameter of 0.6 or larger for optimal performance and avoid damage to the nozzle.\n\nApply PP strapping tape or PPGF adhesive to a clean build plate for optimal adhesion."
+
+[filament:Ultrafuse TPC-45D]
+inherits = *FLEX*
+filament_vendor = BASF
+extrusion_multiplier = 1
+filament_density = 1.15
+filament_colour = #0035EC
+first_layer_temperature = 235
+temperature = 235
+first_layer_bed_temperature = 60
+bed_temperature = 60
+min_fan_speed = 10
+max_fan_speed = 50
+bridge_fan_speed = 80
+fan_below_layer_time = 30
+slowdown_below_layer_time = 15
+min_print_speed = 15
+fan_always_on = 1
+cooling = 1
+filament_max_volumetric_speed = 1.2
+filament_notes = "Material Description\nTPC 45D is a flexible, shore 45D, rubber-like Thermoplastic Copolyester Elastomer (TPE-C), which is derived from rapeseed oil and combines the best properties of elastomers (rubbers) and polyesters. The material delivers excellent adhesion in the Z-direction, meaning that the printed layers do not detach - even with extreme deformation.\n\nPrinting Recommendations:\nApply Magigoo Flex to a clean build plate to improve adhesion."
+
+[filament:Ultrafuse TPU-64D]
+inherits = Ultrafuse TPC-45D
+filament_density = 1.16
+first_layer_temperature = 230
+temperature = 225
+first_layer_bed_temperature = 40
+bed_temperature = 40
+min_fan_speed = 20
+max_fan_speed = 100
+filament_notes = "Material Description\nUltrafuse® TPU 64D is the hardest elastomer in BASF Forward AM’s flexible productline. The material shows a relatively high rigidity while maintaining a certain flexibility. This filament is the perfect match for industrial applications requiring rigid parts being resistant to impact, wear and tear. Due to its property profile, the material can be used as an alternative for parts made from ABS and rubbers. Ultrafuse® TPU 64D is easy to print on direct drive and bowden style printers and is compatible with soluble BVOH support to realize the most complex geometries.\n\nPrinting Recommendations:\nUltrafuse TPU can be printed directly onto a clean build plate. A small amount of 3Dlac can make removal easier after printing."
+
+[filament:Ultrafuse TPU-85A]
+inherits = Ultrafuse TPU-64D
+filament_density = 1.11
+first_layer_temperature = 225
+temperature = 220
+filament_notes = "Material Description\nUltrafuse® TPU 85A comes in its natural white color. Chemical properties (e.g. resistance against particular substances) and tolerance for solvents can be made available, if these factors are relevant for a specific application. Generally, these properties correspond to publicly available data on polyether based TPUs. This material is not FDA conform. Good flexibility at low temperature, good wear performance and good damping behavior are the key features of Ultrafuse® TPU 85A.\n\nPrinting Recommendations:\nUltrafuse TPU can be printed directly onto a clean build plate. A small amount of 3Dlac can make removal easier after printing."
+
+[filament:Ultrafuse TPU-95A]
+inherits = Ultrafuse TPU-85A
+filament_density = 1.14
+first_layer_temperature = 230
+temperature = 225
+filament_notes = "Material Description\nUltrafuse® TPU 95A comes with a well-balanced profile of flexibility and durability. On top of that, it allows for easier and faster printing then softer TPU grades. Parts printed with Ultrafuse® TPU 95A show a high elongation, good impact resistance, excellent layer adhesion and a good resistance to oils and common industrially used chemicals. Due to its good printing behavior, Ultrafuse® TPU 95A is a good choice for starting printing flexible materials on both direct drive and bowden style printers.\n\nPrinting Recommendations:\nUltrafuse TPU can be printed directly onto a clean build plate. A small amount of 3Dlac can make removal easier after printing."
+
+[filament:Ultrafuse rPET]
+inherits = Ultrafuse PET
+filament_density = 1.27
+filament_colour = #9DC5FF
+first_layer_temperature = 235
+temperature = 235
+first_layer_bed_temperature = 80
+bed_temperature = 75
+min_fan_speed = 50
+max_fan_speed = 100
+fan_below_layer_time = 15
+filament_notes = "Material Description\nPET is mainly known by the well-known PET bottle material. This recycled has a natural transparent blueish look. It has excellent 3D printing properties and good mechanical characteristics."
+
+[filament:Ultrafuse Metal]
+inherits = *ABSC*
+filament_vendor = BASF
+filament_density = 4.5
+extrusion_multiplier = 1.08
+first_layer_temperature = 250
+first_layer_bed_temperature = 100
+temperature = 250
+bed_temperature = 100
+min_fan_speed = 0
+max_fan_speed = 0
+bridge_fan_speed = 0
+cooling = 0
+fan_always_on = 0
+filament_max_volumetric_speed = 4
+filament_type = METAL
+compatible_printers_condition = nozzle_diameter[0]>=0.4
+filament_colour = #FFFFFF
+
+[filament:Polymaker PC-Max]
+inherits = *ABS*
+filament_vendor = Polymaker
+filament_cost = 77.3
+filament_density = 1.20
+filament_type = PC
+bed_temperature = 115
+filament_colour = #FFF2EC
+first_layer_bed_temperature = 100
+first_layer_temperature = 270
+temperature = 270
+bridge_fan_speed = 0
+
+[filament:PrimaSelect PVA+]
+inherits = *PLA*
+filament_vendor = PrimaSelect
+filament_cost = 122.1
+filament_density = 1.23
+cooling = 0
+fan_always_on = 0
+filament_colour = #FFFFD7
+filament_soluble = 1
+filament_type = PVA
+first_layer_temperature = 195
+temperature = 195
+
+[filament:Prusa ABS]
+inherits = *ABSC*
+filament_vendor = Made for Prusa
+filament_cost = 27.82
+filament_density = 1.08
+filament_spool_weight = 230
+
+[filament:Prusa HIPS]
+inherits = *Generic HIPS*
+filament_vendor = Made for Prusa
+first_layer_temperature = 220
+temperature = 220
+
+[filament:Generic HIPS]
+inherits = *ABS*
+filament_vendor = Generic
+filament_cost = 27.3
+filament_density = 1.04
+bridge_fan_speed = 50
+cooling = 1
+extrusion_multiplier = 1
+fan_always_on = 1
+fan_below_layer_time = 10
+filament_colour = #FFFFD7
+filament_soluble = 1
+filament_type = HIPS
+first_layer_temperature = 230
+max_fan_speed = 20
+min_fan_speed = 20
+temperature = 230
+compatible_printers_condition = nozzle_diameter[0]!=0.8 and printer_model!="MINI" and ! (printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK(2.5|3).*/ and single_extruder_multi_material)
+
+[filament:Prusa PETG]
+inherits = *PET*
+filament_vendor = Made for Prusa
+filament_cost = 27.82
+filament_density = 1.27
+filament_spool_weight = 230
+
+[filament:Verbatim PETG]
+inherits = *PET*
+filament_vendor = Verbatim
+filament_cost = 27.90
+filament_density = 1.27
+filament_spool_weight = 235
+
+[filament:Prusament PETG]
+inherits = *PET*
+filament_vendor = Prusa Polymers
+first_layer_temperature = 240
+temperature = 250
+filament_cost = 36.29
+filament_density = 1.27
+filament_spool_weight = 201
+filament_type = PETG
+
+[filament:Prusa PLA]
+inherits = *PLA*
+filament_vendor = Made for Prusa
+filament_cost = 27.82
+filament_density = 1.24
+filament_spool_weight = 230
+
+[filament:Eolas Prints PLA]
+inherits = *PLA*
+filament_vendor = Eolas Prints
+filament_cost = 23.50
+filament_density = 1.24
+filament_spool_weight = 0
+filament_colour = #4D9398
+temperature = 208
+
+[filament:Eolas Prints PLA Matte]
+inherits = Eolas Prints PLA
+filament_cost = 25.50
+temperature = 212
+
+[filament:Eolas Prints INGEO 850]
+inherits = Eolas Prints PLA
+filament_cost = 25.90
+temperature = 210
+
+[filament:Eolas Prints INGEO 870]
+inherits = Eolas Prints PLA
+filament_cost = 25.90
+temperature = 215
+first_layer_bed_temperature = 68
+first_layer_temperature = 220
+bed_temperature = 65
+
+[filament:Eolas Prints PETG]
+inherits = *PET*
+filament_vendor = Eolas Prints
+filament_cost = 29.90
+filament_density = 1.27
+filament_spool_weight = 0
+filament_colour = #4D9398
+temperature = 240
+first_layer_bed_temperature = 85
+first_layer_temperature = 235
+bed_temperature = 90
+
+[filament:Eolas Prints PETG - UV Resistant]
+inherits = Eolas Prints PETG
+filament_cost = 35.90
+temperature = 237
+first_layer_temperature = 232
+
+[filament:Eolas Prints TPU 93A]
+inherits = *FLEX*
+filament_vendor = Eolas Prints
+filament_cost = 34.99
+filament_density = 1.21
+filament_colour = #4D9398
+filament_max_volumetric_speed = 1.2
+temperature = 235
+first_layer_bed_temperature = 30
+bed_temperature = 30
+filament_retract_length = 0
+extrusion_multiplier = 1.16
+
+[filament:Fiberlogy Easy PLA]
+inherits = *PLA*
+filament_vendor = Fiberlogy
+filament_cost = 20
+filament_density = 1.24
+first_layer_temperature = 220
+temperature = 220
+filament_spool_weight = 330
+
+[filament:Fiberlogy Easy PET-G]
+inherits = *PET*
+filament_vendor = Fiberlogy
+filament_spool_weight = 330
+filament_cost = 20
+filament_density = 1.27
+first_layer_bed_temperature = 80
+bed_temperature = 80
+first_layer_temperature = 235
+temperature = 235
+min_fan_speed = 15
+max_fan_speed = 30
+bridge_fan_speed = 60
+disable_fan_first_layers = 5
+full_fan_speed_layer = 5
+slowdown_below_layer_time = 15
+
+[filament:Fiberlogy ASA]
+inherits = *ABS*
+filament_vendor = Fiberlogy
+filament_cost = 33
+filament_density = 1.07
+filament_spool_weight = 330
+fan_always_on = 0
+cooling = 1
+min_fan_speed = 10
+max_fan_speed = 15
+bridge_fan_speed = 30
+min_print_speed = 15
+slowdown_below_layer_time = 15
+first_layer_temperature = 260
+temperature = 260
+first_layer_bed_temperature = 100
+bed_temperature = 100
+filament_type = ASA
+fan_below_layer_time = 30
+disable_fan_first_layers = 5
+
+[filament:Fiberlogy Easy ABS]
+inherits = Fiberlogy ASA
+filament_cost = 22.67
+filament_density = 1.09
+fan_always_on = 0
+cooling = 1
+min_fan_speed = 10
+max_fan_speed = 15
+min_print_speed = 15
+slowdown_below_layer_time = 15
+first_layer_temperature = 250
+temperature = 250
+first_layer_bed_temperature = 100
+bed_temperature = 100
+filament_type = ABS
+fan_below_layer_time = 25
+disable_fan_first_layers = 5
+
+[filament:Fiberlogy CPE HT]
+inherits = *PET*
+filament_vendor = Fiberlogy
+filament_cost = 42.67
+filament_density = 1.18
+extrusion_multiplier = 0.98
+filament_spool_weight = 330
+fan_always_on = 1
+cooling = 1
+min_fan_speed = 0
+max_fan_speed = 0
+bridge_fan_speed = 50
+min_print_speed = 15
+first_layer_temperature = 275
+temperature = 275
+first_layer_bed_temperature = 105
+bed_temperature = 105
+filament_type = CPE
+fan_below_layer_time = 20
+slowdown_below_layer_time = 15
+disable_fan_first_layers = 5
+
+[filament:Fiberlogy PCTG]
+inherits = Fiberlogy CPE HT
+filament_cost = 29.41
+filament_density = 1.23
+extrusion_multiplier = 1
+min_fan_speed = 10
+max_fan_speed = 15
+first_layer_temperature = 265
+temperature = 265
+first_layer_bed_temperature = 90
+bed_temperature = 90
+filament_type = PCTG
+
+[filament:Fiberlogy FiberFlex 40D]
+inherits = *FLEX*
+filament_vendor = Fiberlogy
+fan_always_on = 1
+filament_max_volumetric_speed = 1.5
+extrusion_multiplier = 1.12
+first_layer_temperature = 230
+first_layer_bed_temperature = 60
+temperature = 230
+bed_temperature = 60
+bridge_fan_speed = 75
+min_fan_speed = 25
+max_fan_speed = 75
+filament_cost = 39.41
+filament_density = 1.16
+disable_fan_first_layers = 5
+full_fan_speed_layer = 5
+min_print_speed = 15
+cooling = 1
+filament_spool_weight = 330
+
+[filament:Fiberlogy MattFlex 40D]
+inherits = Fiberlogy FiberFlex 40D
+filament_vendor = Fiberlogy
+fan_always_on = 1
+filament_max_volumetric_speed = 1.35
+extrusion_multiplier = 1.1
+filament_cost = 49.11
+
+[filament:Fiberlogy FiberFlex 30D]
+inherits = Fiberlogy FiberFlex 40D
+filament_max_volumetric_speed = 1.2
+extrusion_multiplier = 1.15
+first_layer_temperature = 240
+temperature = 240
+min_fan_speed = 25
+max_fan_speed = 60
+filament_density = 1.07
+
+[filament:Fiberlogy FiberSatin]
+inherits = Fiberlogy Easy PLA
+first_layer_temperature = 215
+temperature = 215
+extrusion_multiplier = 1
+filament_density = 1.2
+filament_cost = 32.35
+
+[filament:Fiberlogy FiberSilk]
+inherits = Fiberlogy FiberSatin
+first_layer_temperature = 230
+temperature = 230
+extrusion_multiplier = 0.97
+filament_density = 1.22
+filament_cost = 32.35
+
+[filament:Fiberlogy FiberWood]
+inherits = Fiberlogy Easy PLA
+first_layer_temperature = 185
+temperature = 185
+extrusion_multiplier = 1
+filament_density = 1.23
+filament_cost = 38.66
+
+[filament:Fiberlogy HD PLA]
+inherits = Fiberlogy Easy PLA
+first_layer_temperature = 230
+temperature = 230
+extrusion_multiplier = 1
+filament_density = 1.24
+filament_cost = 30.59
+
+[filament:Fiberlogy PLA Mineral]
+inherits = Fiberlogy Easy PLA
+first_layer_temperature = 195
+temperature = 190
+extrusion_multiplier = 0.98
+filament_density = 1.38
+filament_cost = 37.64
+
+[filament:Fiberlogy Impact PLA]
+inherits = Fiberlogy HD PLA
+filament_density = 1.22
+filament_cost = 27.65
+
+[filament:Fiberlogy Nylon PA12]
+inherits = Fiberlogy ASA
+filament_type = PA
+filament_density = 1.01
+filament_cost = 48
+first_layer_bed_temperature = 105
+bed_temperature = 105
+first_layer_temperature = 265
+temperature = 265
+min_fan_speed = 10
+max_fan_speed = 15
+fan_below_layer_time = 20
+bridge_fan_speed = 30
+fan_always_on = 0
+
+[filament:Fiberlogy Nylon PA12+CF15]
+inherits = Fiberlogy Nylon PA12
+extrusion_multiplier = 0.97
+filament_density = 1.07
+filament_cost = 87.5
+first_layer_bed_temperature = 105
+bed_temperature = 105
+first_layer_temperature = 265
+temperature = 265
+min_fan_speed = 10
+max_fan_speed = 15
+fan_below_layer_time = 20
+bridge_fan_speed = 30
+fan_always_on = 0
+
+[filament:Fiberlogy Nylon PA12+GF15]
+inherits = Fiberlogy Nylon PA12+CF15
+filament_density = 1.13
+
+[filament:Fiberlogy PP]
+inherits = *ABS*
+filament_vendor = Fiberlogy
+filament_cost = 36.67
+filament_density = 1.05
+extrusion_multiplier = 1.05
+filament_spool_weight = 330
+fan_always_on = 1
+cooling = 1
+min_fan_speed = 0
+max_fan_speed = 25
+bridge_fan_speed = 70
+min_print_speed = 15
+slowdown_below_layer_time = 15
+first_layer_temperature = 245
+temperature = 245
+first_layer_bed_temperature = 0
+bed_temperature = 0
+filament_type = PP
+fan_below_layer_time = 100
+disable_fan_first_layers = 5
+filament_max_volumetric_speed = 5
+
+[filament:Filament PM PLA]
+inherits = *PLA*
+filament_vendor = Filament PM
+filament_cost = 27.82
+filament_density = 1.24
+filament_spool_weight = 230
+
+[filament:AmazonBasics PLA]
+inherits = *PLA*
+filament_vendor = AmazonBasics
+filament_cost = 25.4
+filament_density = 1.24
+
+[filament:Overture PLA]
+inherits = *PLA*
+filament_vendor = Overture
+filament_cost = 22
+filament_density = 1.24
+filament_spool_weight = 235
+
+[filament:Hatchbox PLA]
+inherits = *PLA*
+filament_vendor = Hatchbox
+filament_cost = 25.4
+filament_density = 1.27
+filament_spool_weight = 245
+
+[filament:Esun PLA]
+inherits = *PLA*
+filament_vendor = Esun
+filament_cost = 25.4
+filament_density = 1.24
+filament_spool_weight = 265
+
+[filament:Das Filament PLA]
+inherits = *PLA*
+filament_vendor = Das Filament
+filament_cost = 25.4
+filament_density = 1.24
+
+[filament:EUMAKERS PLA]
+inherits = *PLA*
+filament_vendor = EUMAKERS
+filament_cost = 25.4
+filament_density = 1.24
+
+[filament:Floreon3D PLA]
+inherits = *PLA*
+filament_vendor = Floreon3D
+filament_cost = 25.4
+filament_density = 1.24
+
+[filament:Prusament PLA]
+inherits = *PLA*
+filament_vendor = Prusa Polymers
+temperature = 215
+filament_cost = 36.29
+filament_density = 1.24
+filament_spool_weight = 201
+filament_notes = "Affordable filament for everyday printing in premium quality manufactured in-house by Josef Prusa"
+
+[filament:Prusament PVB]
+inherits = *PLA*
+filament_vendor = Prusa Polymers
+temperature = 215
+bed_temperature = 75
+first_layer_bed_temperature = 75
+filament_cost = 60.48
+filament_density = 1.09
+filament_spool_weight = 201
+filament_max_volumetric_speed = 8
+filament_type = PVB
+filament_soluble = 1
+filament_colour = #FFFF6F
+slowdown_below_layer_time = 20
+
+[filament:Fillamentum Flexfill 98A]
+inherits = *FLEX*
+filament_vendor = Fillamentum
+filament_cost = 82.26
+filament_density = 1.23
+filament_spool_weight = 230
+extrusion_multiplier = 1.1
+filament_max_volumetric_speed = 1.5
+fan_always_on = 1
+cooling = 0
+max_fan_speed = 60
+min_fan_speed = 60
+disable_fan_first_layers = 4
+full_fan_speed_layer = 6
+
+[filament:ColorFabb VarioShore TPU]
+inherits = Fillamentum Flexfill 98A
+filament_vendor = ColorFabb
+filament_colour = #BBBBBB
+filament_cost = 71.35
+filament_density = 1.22
+filament_spool_weight = 0
+extrusion_multiplier = 0.85
+first_layer_temperature = 220
+temperature = 220
+
+[filament:Taulman Bridge]
+inherits = *common*
+filament_vendor = Taulman
+filament_cost = 40
+filament_density = 1.13
+bed_temperature = 110
+bridge_fan_speed = 40
+cooling = 0
+disable_fan_first_layers = 3
+fan_always_on = 0
+fan_below_layer_time = 20
+filament_colour = #DEE0E6
+filament_soluble = 0
+filament_type = PA
+first_layer_bed_temperature = 90
+first_layer_temperature = 260
+temperature = 260
+max_fan_speed = 0
+min_fan_speed = 0
+filament_max_volumetric_speed = 6
+
+[filament:Fillamentum Nylon FX256]
+inherits = *common*
+filament_vendor = Fillamentum
+filament_cost = 56.99
+filament_density = 1.01
+filament_spool_weight = 230
+bed_temperature = 90
+bridge_fan_speed = 30
+cooling = 1
+disable_fan_first_layers = 6
+fan_always_on = 0
+fan_below_layer_time = 20
+min_print_speed = 15
+slowdown_below_layer_time = 20
+filament_colour = #DEE0E6
+filament_max_volumetric_speed = 6
+filament_soluble = 0
+filament_type = PA
+first_layer_bed_temperature = 90
+first_layer_temperature = 250
+max_fan_speed = 0
+min_fan_speed = 0
+temperature = 250
+
+[filament:Fiberthree F3 PA Pure Pro]
+inherits = *common*
+filament_vendor = Fiberthree
+filament_cost = 200.84
+filament_density = 1.2
+bed_temperature = 90
+first_layer_bed_temperature = 90
+first_layer_temperature = 285
+temperature = 285
+bridge_fan_speed = 30
+cooling = 1
+disable_fan_first_layers = 3
+fan_always_on = 1
+fan_below_layer_time = 20
+min_print_speed = 15
+slowdown_below_layer_time = 10
+filament_colour = #DEE0E6
+filament_max_volumetric_speed = 5
+filament_soluble = 0
+filament_type = PA
+max_fan_speed = 20
+min_fan_speed = 20
+
+[filament:Fiberthree F3 PA-CF Pro]
+inherits = *common*
+filament_vendor = Fiberthree
+filament_cost = 208.1
+filament_density = 1.25
+bed_temperature = 90
+first_layer_bed_temperature = 90
+first_layer_temperature = 285
+temperature = 285
+bridge_fan_speed = 30
+cooling = 1
+disable_fan_first_layers = 3
+fan_always_on = 0
+fan_below_layer_time = 20
+min_print_speed = 15
+slowdown_below_layer_time = 10
+filament_colour = #DEE0E6
+filament_max_volumetric_speed = 5
+filament_soluble = 0
+filament_type = PA
+max_fan_speed = 0
+min_fan_speed = 0
+
+[filament:Fiberthree F3 PA-GF Pro]
+inherits = Fiberthree F3 PA-CF Pro
+filament_vendor = Fiberthree
+filament_cost = 205.68
+filament_density = 1.27
+fan_always_on = 1
+max_fan_speed = 15
+min_fan_speed = 15
+
+[filament:Taulman T-Glase]
+inherits = *PET*
+filament_vendor = Taulman
+filament_cost = 40
+filament_density = 1.27
+bridge_fan_speed = 40
+cooling = 0
+fan_always_on = 0
+first_layer_bed_temperature = 90
+first_layer_temperature = 240
+max_fan_speed = 5
+min_fan_speed = 0
+
+[filament:Verbatim PLA]
+inherits = *PLA*
+filament_vendor = Verbatim
+filament_cost = 42.99
+filament_density = 1.24
+filament_spool_weight = 235
+
+[filament:Verbatim BVOH]
+inherits = *common*
+filament_vendor = Verbatim
+filament_cost = 193.58
+filament_density = 1.14
+filament_spool_weight = 235
+bed_temperature = 60
+bridge_fan_speed = 100
+cooling = 0
+disable_fan_first_layers = 1
+extrusion_multiplier = 1
+fan_always_on = 0
+fan_below_layer_time = 100
+filament_colour = #FFFFD7
+filament_soluble = 1
+filament_type = PVA
+first_layer_bed_temperature = 60
+first_layer_temperature = 215
+max_fan_speed = 100
+min_fan_speed = 100
+temperature = 210
+
+[filament:Verbatim PP]
+inherits = *common*
+filament_vendor = Verbatim
+filament_cost = 72
+filament_density = 0.89
+filament_spool_weight = 235
+bed_temperature = 100
+bridge_fan_speed = 100
+cooling = 1
+disable_fan_first_layers = 2
+extrusion_multiplier = 1
+fan_always_on = 1
+fan_below_layer_time = 100
+filament_colour = #DEE0E6
+filament_max_volumetric_speed = 5
+filament_type = PP
+first_layer_bed_temperature = 100
+first_layer_temperature = 220
+max_fan_speed = 100
+min_fan_speed = 100
+temperature = 220
+
+[filament:FormFutura Centaur PP]
+inherits = *common*
+filament_vendor = FormFutura
+filament_cost = 70
+filament_density = 0.89
+filament_spool_weight = 212
+bridge_fan_speed = 100
+cooling = 1
+disable_fan_first_layers = 2
+extrusion_multiplier = 1.05
+fan_always_on = 1
+fan_below_layer_time = 100
+filament_colour = #DEE0E6
+filament_max_volumetric_speed = 4
+filament_type = PP
+first_layer_bed_temperature = 85
+bed_temperature = 85
+first_layer_temperature = 235
+max_fan_speed = 70
+min_fan_speed = 70
+temperature = 235
+filament_wipe = 0
+filament_retract_lift = 0
\ No newline at end of file
diff --git a/src/libslic3r/AppConfig.cpp b/src/libslic3r/AppConfig.cpp
index 7793a2bd4..0d9888d40 100644
--- a/src/libslic3r/AppConfig.cpp
+++ b/src/libslic3r/AppConfig.cpp
@@ -36,10 +36,10 @@ static const std::string MODEL_PREFIX = "model:";
 // are phased out, then we will revert to the original name.
 //static const std::string VERSION_CHECK_URL = "https://files.prusa3d.com/wp-content/uploads/repository/PrusaSlicer-settings-master/live/PrusaSlicer.version";
 static const std::string VERSION_CHECK_URL = "https://files.prusa3d.com/wp-content/uploads/repository/PrusaSlicer-settings-master/live/PrusaSlicer.version2";
-// url to folder with profile archive zip
-// TODO: Uncomment and delete 2nd when we have archive online
-//static const std::string PROFILE_ARCHIVE_URL = "https://files.prusa3d.com/wp-content/uploads/repository/PrusaSlicer-settings-master/live/Archive/Archive.zip";
-static const std::string PROFILE_ARCHIVE_URL = "https://raw.githubusercontent.com/kocikdav/PrusaSlicer-settings/master/live/Bundle/Archive.zip";
+// Url to index archive zip that contains latest indicies
+static const std::string INDEX_ARCHIVE_URL= "https://files.prusa3d.com/wp-content/uploads/repository/vendor_indices.zip";
+// Url to folder with vendor profile files. Used when downloading new profiles that are not in resources folder.
+static const std::string PROFILE_FOLDER_URL = "https://files.prusa3d.com/wp-content/uploads/repository/PrusaSlicer-settings-master/live/";
 
 const std::string AppConfig::SECTION_FILAMENTS = "filaments";
 const std::string AppConfig::SECTION_MATERIALS = "sla_materials";
@@ -671,9 +671,24 @@ std::string AppConfig::version_check_url() const
     return from_settings.empty() ? VERSION_CHECK_URL : from_settings;
 }
 
-const std::string& AppConfig::profile_archive_url() const
+std::string AppConfig::index_archive_url() const
 {
-    return PROFILE_ARCHIVE_URL;
+#if 0  
+    // this code is for debug & testing purposes only - changed url wont get trough inner checks anyway. 
+    auto from_settings = get("index_archive_url");
+    return from_settings.empty() ? INDEX_ARCHIVE_URL : from_settings;
+#endif
+    return INDEX_ARCHIVE_URL;
+}
+
+std::string AppConfig::profile_folder_url() const
+{
+#if 0   
+    // this code is for debug & testing purposes only - changed url wont get trough inner checks anyway. 
+    auto from_settings = get("profile_folder_url");
+    return from_settings.empty() ? PROFILE_FOLDER_URL : from_settings;
+#endif
+    return PROFILE_FOLDER_URL;
 }
 
 bool AppConfig::exists()
diff --git a/src/libslic3r/AppConfig.hpp b/src/libslic3r/AppConfig.hpp
index 1ecd8cd64..78a7065d9 100644
--- a/src/libslic3r/AppConfig.hpp
+++ b/src/libslic3r/AppConfig.hpp
@@ -139,8 +139,11 @@ public:
 	// Get the Slic3r version check url.
 	// This returns a hardcoded string unless it is overriden by "version_check_url" in the ini file.
 	std::string 		version_check_url() const;
-	// Get the Slic3r url to vendor profile archive zip.
-	const std::string&  profile_archive_url() const;
+	// Get the Slic3r url to vendor index archive zip.
+	std::string  index_archive_url() const;
+	// Get the Slic3r url to folder with vendor profile files.
+	std::string profile_folder_url() const;
+
 
 	// Returns the original Slic3r version found in the ini file before it was overwritten
 	// by the current version
diff --git a/src/libslic3r/Preset.cpp b/src/libslic3r/Preset.cpp
index e9d3b09ff..1f5fbc6b2 100644
--- a/src/libslic3r/Preset.cpp
+++ b/src/libslic3r/Preset.cpp
@@ -2146,7 +2146,7 @@ namespace PresetUtils {
                 if (! res.empty()
                  && !fs::exists(fs::path(vendor_folder + res))
                  && !fs::exists(fs::path(rsrc_folder   + res))
-                 && (fs::exists(fs::path(cache_folder + res))))
+                 && !fs::exists(fs::path(cache_folder  + res)))
                     return false;
             }
         }
diff --git a/src/libslic3r/PresetBundle.cpp b/src/libslic3r/PresetBundle.cpp
index ed063415f..81de20716 100644
--- a/src/libslic3r/PresetBundle.cpp
+++ b/src/libslic3r/PresetBundle.cpp
@@ -1308,13 +1308,22 @@ std::pair<PresetsConfigSubstitutions, size_t> PresetBundle::load_configbundle(
         try {
             pt::read_ini(ifs, tree);
         } catch (const boost::property_tree::ini_parser::ini_parser_error &err) {
-            throw Slic3r::RuntimeError(format("Failed loading config bundle \"%1%\"\nError: \"%2%\" at line %3%", path, err.message(), err.line()).c_str());
+            // This throw was uncatched. While other similar problems later are just returning empty pair.
+            //throw Slic3r::RuntimeError(format("Failed loading config bundle \"%1%\"\nError: \"%2%\" at line %3%", path, err.message(), err.line()).c_str());
+            BOOST_LOG_TRIVIAL(error) << format("Failed loading config bundle \"%1%\"\nError: \"%2%\" at line %3%", path, err.message(), err.line()).c_str();
+            return std::make_pair(PresetsConfigSubstitutions{}, 0);
         }
     }
 
     const VendorProfile *vendor_profile = nullptr;
     if (flags.has(LoadConfigBundleAttribute::LoadSystem) || flags.has(LoadConfigBundleAttribute::LoadVendorOnly)) {
-        auto vp = VendorProfile::from_ini(tree, path);
+        VendorProfile vp;
+        try {
+            vp = VendorProfile::from_ini(tree, path);
+        } catch (const std::exception& e) {
+            BOOST_LOG_TRIVIAL(error) << boost::format("Vendor bundle: `%1%`: Failed to open profile file.") % path;
+            return std::make_pair(PresetsConfigSubstitutions{}, 0);
+        }
         if (vp.models.size() == 0 && !vp.templates_profile) {
             BOOST_LOG_TRIVIAL(error) << boost::format("Vendor bundle: `%1%`: No printer model defined.") % path;
             return std::make_pair(PresetsConfigSubstitutions{}, 0);
@@ -1360,7 +1369,7 @@ std::pair<PresetsConfigSubstitutions, size_t> PresetBundle::load_configbundle(
         } else if (boost::starts_with(section.first, "filament:")) {
             presets = &this->filaments;
             preset_name = section.first.substr(9);
-            if (vendor_profile->templates_profile) {
+            if (vendor_profile && vendor_profile->templates_profile) {
                 preset_name += " @Template";
             }
         } else if (boost::starts_with(section.first, "sla_print:")) {
diff --git a/src/slic3r/GUI/ConfigWizard.cpp b/src/slic3r/GUI/ConfigWizard.cpp
index 2de72ad02..6ba866ac1 100644
--- a/src/slic3r/GUI/ConfigWizard.cpp
+++ b/src/slic3r/GUI/ConfigWizard.cpp
@@ -141,6 +141,8 @@ BundleMap BundleMap::load()
     typedef std::pair<const fs::path&, BundleLocation> DirData;
     std::vector<DirData> dir_list { {vendor_dir, BundleLocation::IN_VENDOR},  {archive_dir, BundleLocation::IN_ARCHIVE},  {rsrc_vendor_dir, BundleLocation::IN_RESOURCES} };
     for ( auto dir : dir_list) {
+        if (!fs::exists(dir.first))
+            continue;
         for (const auto &dir_entry : boost::filesystem::directory_iterator(dir.first)) {
             if (Slic3r::is_ini_file(dir_entry)) {
                 std::string id = dir_entry.path().stem().string();  // stem() = filename() without the trailing ".ini" part
@@ -226,26 +228,30 @@ PrinterPicker::PrinterPicker(wxWindow *parent, const VendorProfile &vendor, wxSt
 
     bool is_variants = false;
 
+    const fs::path vendor_dir_path = (fs::path(Slic3r::data_dir()) / "vendor").make_preferred();
+    const fs::path cache_dir_path = (fs::path(Slic3r::data_dir()) / "cache").make_preferred();
+    const fs::path rsrc_dir_path = (fs::path(resources_dir()) / "profiles").make_preferred();
+
     for (const auto &model : models) {
         if (! filter(model)) { continue; }
 
         wxBitmap bitmap;
         int bitmap_width = 0;
-        auto load_bitmap = [](const wxString& bitmap_file, wxBitmap& bitmap, int& bitmap_width)->bool {
-            if (wxFileExists(bitmap_file)) {
-                bitmap.LoadFile(bitmap_file, wxBITMAP_TYPE_PNG);
-                bitmap_width = bitmap.GetWidth();
-                return true;
-            }
-            return false;
+        auto load_bitmap = [](const wxString& bitmap_file, wxBitmap& bitmap, int& bitmap_width) {
+            bitmap.LoadFile(bitmap_file, wxBITMAP_TYPE_PNG);
+            bitmap_width = bitmap.GetWidth();
         };
         
         bool found = false;
-        for (const std::string& res : { Slic3r::data_dir() + "/vendor/" + vendor.id + "/", Slic3r::resources_dir() + "/profiles/" + vendor.id + "/", Slic3r::data_dir() + "/cache/" + vendor.id + "/" } ) {
-            if (load_bitmap(GUI::from_u8(res + "/" + model.thumbnail), bitmap, bitmap_width)) {
-                found = true;
-                break;
-            }
+        for (const fs::path& res : { rsrc_dir_path   / vendor.id / model.thumbnail
+                                   , vendor_dir_path / vendor.id / model.thumbnail
+                                   , cache_dir_path  / vendor.id / model.thumbnail })
+        {
+            if (!fs::exists(res))
+                continue;
+            load_bitmap(GUI::from_u8(res.string()), bitmap, bitmap_width);
+            found = true;
+            break;
         }
         
         if (!found) {
@@ -256,7 +262,7 @@ PrinterPicker::PrinterPicker(wxWindow *parent, const VendorProfile &vendor, wxSt
             load_bitmap(Slic3r::var(PRINTER_PLACEHOLDER), bitmap, bitmap_width);
         }
         
-        auto *title = new wxStaticText(this, wxID_ANY, from_u8(model.name), wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT);
+        wxStaticText* title = new wxStaticText(this, wxID_ANY, from_u8(model.name), wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT);
         title->SetFont(font_name);
         const int wrap_width = std::max((int)MODEL_MIN_WRAP, bitmap_width);
         title->Wrap(wrap_width);
@@ -269,7 +275,7 @@ PrinterPicker::PrinterPicker(wxWindow *parent, const VendorProfile &vendor, wxSt
 
         titles.push_back(title);
 
-        auto *bitmap_widget = new wxStaticBitmap(this, wxID_ANY, bitmap);
+        wxStaticBitmap* bitmap_widget = new wxStaticBitmap(this, wxID_ANY, bitmap);
         bitmaps.push_back(bitmap_widget);
 
         auto *variants_panel = new wxPanel(this);
@@ -292,7 +298,7 @@ PrinterPicker::PrinterPicker(wxWindow *parent, const VendorProfile &vendor, wxSt
                 is_variants = true;
             }
 
-            auto *cbox = new Checkbox(variants_panel, label, model_id, variant.name);
+            Checkbox* cbox = new Checkbox(variants_panel, label, model_id, variant.name);
             i == 0 ? cboxes.push_back(cbox) : cboxes_alt.push_back(cbox);
 
             const bool enabled = appconfig.get_variant(vendor.id, model_id, variant.name);
@@ -1616,7 +1622,7 @@ PageVendors::PageVendors(ConfigWizard *parent)
     for (const auto &pair : wizard_p()->bundles) {
         const VendorProfile *vendor = pair.second.vendor_profile;
         if (vendor->id == PresetBundle::PRUSA_BUNDLE) { continue; }
-        if (vendor->templates_profile)
+        if (vendor && vendor->templates_profile)
             continue;
 
         auto *cbox = new wxCheckBox(this, wxID_ANY, vendor->name);
@@ -2498,7 +2504,7 @@ void ConfigWizard::priv::update_materials(Technology technology)
                     }
 				}
                 // template filament bundle has no printers - filament would be never added
-                if(pair.second.vendor_profile->templates_profile && pair.second.preset_bundle->printers.begin() == pair.second.preset_bundle->printers.end())
+                if(pair.second.vendor_profile&& pair.second.vendor_profile->templates_profile && pair.second.preset_bundle->printers.begin() == pair.second.preset_bundle->printers.end())
                 {
                     if (!filaments.containts(&filament)) {
                         filaments.push(&filament);
diff --git a/src/slic3r/GUI/ConfigWizard_private.hpp b/src/slic3r/GUI/ConfigWizard_private.hpp
index 0c3fed13f..17c9fb25f 100644
--- a/src/slic3r/GUI/ConfigWizard_private.hpp
+++ b/src/slic3r/GUI/ConfigWizard_private.hpp
@@ -369,11 +369,11 @@ struct Materials
             if (((printer == nullptr && printer_name == PageMaterials::EMPTY) || (printer != nullptr && is_compatible_with_printer(PresetWithVendorProfile(prst, prst.vendor), PresetWithVendorProfile(prntr, prntr.vendor)))) &&
                 (type.empty() || get_type(preset) == type) &&
                 (vendor.empty() || get_vendor(preset) == vendor) &&
-                !prst.vendor->templates_profile) {
+                prst.vendor && !prst.vendor->templates_profile) {
 
                 cb(preset);
             }
-            else if ((printer == nullptr && printer_name == PageMaterials::TEMPLATES) && prst.vendor->templates_profile &&
+            else if ((printer == nullptr && printer_name == PageMaterials::TEMPLATES) && prst.vendor && prst.vendor->templates_profile &&
                 (type.empty() || get_type(preset) == type) &&
                 (vendor.empty() || get_vendor(preset) == vendor)) {
                 cb(preset);
diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index 6975006a6..3e561d04e 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -1,3388 +1,3394 @@
-#include "libslic3r/Technologies.hpp"
-#include "GUI_App.hpp"
-#include "GUI_Init.hpp"
-#include "GUI_ObjectList.hpp"
-#include "GUI_ObjectManipulation.hpp"
-#include "GUI_Factories.hpp"
-#include "format.hpp"
-#include "I18N.hpp"
-
-#include <algorithm>
-#include <iterator>
-#include <exception>
-#include <cstdlib>
-#include <regex>
-#include <string_view>
-#include <boost/nowide/fstream.hpp>
-#include <boost/algorithm/string/predicate.hpp>
-#include <boost/algorithm/string.hpp>
-#include <boost/format.hpp>
-#include <boost/lexical_cast.hpp>
-#include <boost/log/trivial.hpp>
-#include <boost/nowide/convert.hpp>
-#include <boost/dll/runtime_symbol_info.hpp>
-
-#include <wx/stdpaths.h>
-#include <wx/imagpng.h>
-#include <wx/display.h>
-#include <wx/menu.h>
-#include <wx/menuitem.h>
-#include <wx/filedlg.h>
-#include <wx/progdlg.h>
-#include <wx/dir.h>
-#include <wx/wupdlock.h>
-#include <wx/filefn.h>
-#include <wx/sysopt.h>
-#include <wx/richmsgdlg.h>
-#include <wx/log.h>
-#include <wx/intl.h>
-
-#include <wx/dialog.h>
-#include <wx/textctrl.h>
-#include <wx/splash.h>
-#include <wx/fontutil.h>
-
-#include "libslic3r/Utils.hpp"
-#include "libslic3r/Model.hpp"
-#include "libslic3r/I18N.hpp"
-#include "libslic3r/PresetBundle.hpp"
-#include "libslic3r/Color.hpp"
-
-#include "GUI.hpp"
-#include "GUI_Utils.hpp"
-#include "3DScene.hpp"
-#include "MainFrame.hpp"
-#include "Plater.hpp"
-#include "GLCanvas3D.hpp"
-
-#include "../Utils/PresetUpdater.hpp"
-#include "../Utils/PrintHost.hpp"
-#include "../Utils/Process.hpp"
-#include "../Utils/MacDarkMode.hpp"
-#include "../Utils/AppUpdater.hpp"
-#include "../Utils/WinRegistry.hpp"
-#include "slic3r/Config/Snapshot.hpp"
-#include "ConfigSnapshotDialog.hpp"
-#include "FirmwareDialog.hpp"
-#include "Preferences.hpp"
-#include "Tab.hpp"
-#include "SysInfoDialog.hpp"
-#include "KBShortcutsDialog.hpp"
-#include "UpdateDialogs.hpp"
-#include "Mouse3DController.hpp"
-#include "RemovableDriveManager.hpp"
-#include "InstanceCheck.hpp"
-#include "NotificationManager.hpp"
-#include "UnsavedChangesDialog.hpp"
-#include "SavePresetDialog.hpp"
-#include "PrintHostDialogs.hpp"
-#include "DesktopIntegrationDialog.hpp"
-#include "SendSystemInfoDialog.hpp"
-#include "Downloader.hpp"
-
-#include "BitmapCache.hpp"
-#include "Notebook.hpp"
-
-#ifdef __WXMSW__
-#include <dbt.h>
-#include <shlobj.h>
-#ifdef _MSW_DARK_MODE
-#include <wx/msw/dark_mode.h>
-#endif // _MSW_DARK_MODE
-#endif
-#ifdef _WIN32
-#include <boost/dll/runtime_symbol_info.hpp>
-#endif
-
-#if ENABLE_THUMBNAIL_GENERATOR_DEBUG
-#include <boost/beast/core/detail/base64.hpp>
-#include <boost/nowide/fstream.hpp>
-#endif // ENABLE_THUMBNAIL_GENERATOR_DEBUG
-
-// Needed for forcing menu icons back under gtk2 and gtk3
-#if defined(__WXGTK20__) || defined(__WXGTK3__)
-    #include <gtk/gtk.h>
-#endif
-
-using namespace std::literals;
-
-namespace Slic3r {
-namespace GUI {
-
-class MainFrame;
-
-class SplashScreen : public wxSplashScreen
-{
-public:
-    SplashScreen(const wxBitmap& bitmap, long splashStyle, int milliseconds, wxPoint pos = wxDefaultPosition)
-        : wxSplashScreen(bitmap, splashStyle, milliseconds, static_cast<wxWindow*>(wxGetApp().mainframe), wxID_ANY, wxDefaultPosition, wxDefaultSize,
-#ifdef __APPLE__
-            wxSIMPLE_BORDER | wxFRAME_NO_TASKBAR | wxSTAY_ON_TOP
-#else
-            wxSIMPLE_BORDER | wxFRAME_NO_TASKBAR
-#endif // !__APPLE__
-        )
-    {
-        wxASSERT(bitmap.IsOk());
-
-//        int init_dpi = get_dpi_for_window(this);
-        this->SetPosition(pos);
-        // The size of the SplashScreen can be hanged after its moving to another display
-        // So, update it from a bitmap size
-        this->SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
-        this->CenterOnScreen();
-//        int new_dpi = get_dpi_for_window(this);
-
-//        m_scale         = (float)(new_dpi) / (float)(init_dpi);
-        m_main_bitmap   = bitmap;
-
-//        scale_bitmap(m_main_bitmap, m_scale);
-
-        // init constant texts and scale fonts
-        init_constant_text();
-
-        // this font will be used for the action string
-        m_action_font = m_constant_text.credits_font.Bold();
-
-        // draw logo and constant info text
-        Decorate(m_main_bitmap);
-    }
-
-    void SetText(const wxString& text)
-    {
-        set_bitmap(m_main_bitmap);
-        if (!text.empty()) {
-            wxBitmap bitmap(m_main_bitmap);
-
-            wxMemoryDC memDC;
-            memDC.SelectObject(bitmap);
-
-            memDC.SetFont(m_action_font);
-            memDC.SetTextForeground(wxColour(237, 107, 33));
-            memDC.DrawText(text, int(m_scale * 60), m_action_line_y_position);
-
-            memDC.SelectObject(wxNullBitmap);
-            set_bitmap(bitmap);
-#ifdef __WXOSX__
-            // without this code splash screen wouldn't be updated under OSX
-            wxYield();
-#endif
-        }
-    }
-
-    static wxBitmap MakeBitmap(wxBitmap bmp)
-    {
-        if (!bmp.IsOk())
-            return wxNullBitmap;
-
-        // create dark grey background for the splashscreen
-        // It will be 5/3 of the weight of the bitmap
-        int width = lround((double)5 / 3 * bmp.GetWidth());
-        int height = bmp.GetHeight();
-
-        wxImage image(width, height);
-        unsigned char* imgdata_ = image.GetData();
-        for (int i = 0; i < width * height; ++i) {
-            *imgdata_++ = 51;
-            *imgdata_++ = 51;
-            *imgdata_++ = 51;
-        }
-
-        wxBitmap new_bmp(image);
-
-        wxMemoryDC memDC;
-        memDC.SelectObject(new_bmp);
-        memDC.DrawBitmap(bmp, width - bmp.GetWidth(), 0, true);
-
-        return new_bmp;
-    }
-
-    void Decorate(wxBitmap& bmp)
-    {
-        if (!bmp.IsOk())
-            return;
-
-        // draw text to the box at the left of the splashscreen.
-        // this box will be 2/5 of the weight of the bitmap, and be at the left.
-        int width = lround(bmp.GetWidth() * 0.4);
-
-        // load bitmap for logo
-        BitmapCache bmp_cache;
-        int logo_size = lround(width * 0.25);
-        wxBitmap logo_bmp = *bmp_cache.load_svg(wxGetApp().logo_name(), logo_size, logo_size);
-
-        wxCoord margin = int(m_scale * 20);
-
-        wxRect banner_rect(wxPoint(0, logo_size), wxPoint(width, bmp.GetHeight()));
-        banner_rect.Deflate(margin, 2 * margin);
-
-        // use a memory DC to draw directly onto the bitmap
-        wxMemoryDC memDc(bmp);
-
-        // draw logo
-        memDc.DrawBitmap(logo_bmp, margin, margin, true);
-
-        // draw the (white) labels inside of our black box (at the left of the splashscreen)
-        memDc.SetTextForeground(wxColour(255, 255, 255));
-
-        memDc.SetFont(m_constant_text.title_font);
-        memDc.DrawLabel(m_constant_text.title,   banner_rect, wxALIGN_TOP | wxALIGN_LEFT);
-
-        int title_height = memDc.GetTextExtent(m_constant_text.title).GetY();
-        banner_rect.SetTop(banner_rect.GetTop() + title_height);
-        banner_rect.SetHeight(banner_rect.GetHeight() - title_height);
-
-        memDc.SetFont(m_constant_text.version_font);
-        memDc.DrawLabel(m_constant_text.version, banner_rect, wxALIGN_TOP | wxALIGN_LEFT);
-        int version_height = memDc.GetTextExtent(m_constant_text.version).GetY();
-
-        memDc.SetFont(m_constant_text.credits_font);
-        memDc.DrawLabel(m_constant_text.credits, banner_rect, wxALIGN_BOTTOM | wxALIGN_LEFT);
-        int credits_height = memDc.GetMultiLineTextExtent(m_constant_text.credits).GetY();
-        int text_height    = memDc.GetTextExtent("text").GetY();
-
-        // calculate position for the dynamic text
-        int logo_and_header_height = margin + logo_size + title_height + version_height;
-        m_action_line_y_position = logo_and_header_height + 0.5 * (bmp.GetHeight() - margin - credits_height - logo_and_header_height - text_height);
-    }
-
-private:
-    wxBitmap    m_main_bitmap;
-    wxFont      m_action_font;
-    int         m_action_line_y_position;
-    float       m_scale {1.0};
-
-    struct ConstantText
-    {
-        wxString title;
-        wxString version;
-        wxString credits;
-
-        wxFont   title_font;
-        wxFont   version_font;
-        wxFont   credits_font;
-
-        void init(wxFont init_font)
-        {
-            // title
-            title = wxGetApp().is_editor() ? SLIC3R_APP_NAME : GCODEVIEWER_APP_NAME;
-
-            // dynamically get the version to display
-            version = _L("Version") + " " + std::string(SLIC3R_VERSION);
-
-            // credits infornation
-            credits = title + " " +
-                _L("is based on Slic3r by Alessandro Ranellucci and the RepRap community.") + "\n" +
-                _L("Developed by Prusa Research.") + "\n\n" +
-                title + " " + _L("is licensed under the") + " " + _L("GNU Affero General Public License, version 3") + ".\n\n" +
-                _L("Contributions by Vojtech Bubnik, Enrico Turri, Oleksandra Iushchenko, Tamas Meszaros, Lukas Matena, Vojtech Kral, David Kocik and numerous others.") + "\n\n" +
-                _L("Artwork model by Creative Tools");
-
-            title_font = version_font = credits_font = init_font;
-        }
-    } 
-    m_constant_text;
-
-    void init_constant_text()
-    {
-        m_constant_text.init(get_default_font(this));
-
-        // As default we use a system font for current display.
-        // Scale fonts in respect to banner width
-
-        int text_banner_width = lround(0.4 * m_main_bitmap.GetWidth()) - roundl(m_scale * 50); // banner_width - margins
-
-        float title_font_scale = (float)text_banner_width / GetTextExtent(m_constant_text.title).GetX();
-        scale_font(m_constant_text.title_font, title_font_scale > 3.5f ? 3.5f : title_font_scale);
-
-        float version_font_scale = (float)text_banner_width / GetTextExtent(m_constant_text.version).GetX();
-        scale_font(m_constant_text.version_font, version_font_scale > 2.f ? 2.f : version_font_scale);
-
-        // The width of the credits information string doesn't respect to the banner width some times.
-        // So, scale credits_font in the respect to the longest string width
-        int   longest_string_width = word_wrap_string(m_constant_text.credits);
-        float font_scale = (float)text_banner_width / longest_string_width;
-        scale_font(m_constant_text.credits_font, font_scale);
-    }
-
-    void set_bitmap(wxBitmap& bmp)
-    {
-        m_window->SetBitmap(bmp);
-        m_window->Refresh();
-        m_window->Update();
-    }
-
-    void scale_bitmap(wxBitmap& bmp, float scale)
-    {
-        if (scale == 1.0)
-            return;
-
-        wxImage image = bmp.ConvertToImage();
-        if (!image.IsOk() || image.GetWidth() == 0 || image.GetHeight() == 0)
-            return;
-
-        int width   = int(scale * image.GetWidth());
-        int height  = int(scale * image.GetHeight());
-        image.Rescale(width, height, wxIMAGE_QUALITY_BILINEAR);
-
-        bmp = wxBitmap(std::move(image));
-    }
-
-    void scale_font(wxFont& font, float scale)
-    {
-#ifdef __WXMSW__
-        // Workaround for the font scaling in respect to the current active display,
-        // not for the primary display, as it's implemented in Font.cpp
-        // See https://github.com/wxWidgets/wxWidgets/blob/master/src/msw/font.cpp
-        // void wxNativeFontInfo::SetFractionalPointSize(float pointSizeNew)
-        wxNativeFontInfo nfi= *font.GetNativeFontInfo();
-        float pointSizeNew  = wxDisplay(this).GetScaleFactor() * scale * font.GetPointSize();
-        nfi.lf.lfHeight     = nfi.GetLogFontHeightAtPPI(pointSizeNew, get_dpi_for_window(this));
-        nfi.pointSize       = pointSizeNew;
-        font = wxFont(nfi);
-#else
-        font.Scale(scale);
-#endif //__WXMSW__
-    }
-
-    // wrap a string for the strings no longer then 55 symbols
-    // return extent of the longest string
-    int word_wrap_string(wxString& input)
-    {
-        size_t line_len = 55;// count of symbols in one line
-        int idx = -1;
-        size_t cur_len = 0;
-
-        wxString longest_sub_string;
-        auto get_longest_sub_string = [input](wxString &longest_sub_str, size_t cur_len, size_t i) {
-            if (cur_len > longest_sub_str.Len())
-                longest_sub_str = input.SubString(i - cur_len + 1, i);
-        };
-
-        for (size_t i = 0; i < input.Len(); i++)
-        {
-            cur_len++;
-            if (input[i] == ' ')
-                idx = i;
-            if (input[i] == '\n')
-            {
-                get_longest_sub_string(longest_sub_string, cur_len, i);
-                idx = -1;
-                cur_len = 0;
-            }
-            if (cur_len >= line_len && idx >= 0)
-            {
-                get_longest_sub_string(longest_sub_string, cur_len, i);
-                input[idx] = '\n';
-                cur_len = i - static_cast<size_t>(idx);
-            }
-        }
-
-        return GetTextExtent(longest_sub_string).GetX();
-    }
-};
-
-
-#ifdef __linux__
-bool static check_old_linux_datadir(const wxString& app_name) {
-    // If we are on Linux and the datadir does not exist yet, look into the old
-    // location where the datadir was before version 2.3. If we find it there,
-    // tell the user that he might wanna migrate to the new location.
-    // (https://github.com/prusa3d/PrusaSlicer/issues/2911)
-    // To be precise, the datadir should exist, it is created when single instance
-    // lock happens. Instead of checking for existence, check the contents.
-
-    namespace fs = boost::filesystem;
-
-    std::string new_path = Slic3r::data_dir();
-
-    wxString dir;
-    if (! wxGetEnv(wxS("XDG_CONFIG_HOME"), &dir) || dir.empty() )
-        dir = wxFileName::GetHomeDir() + wxS("/.config");
-    std::string default_path = (dir + "/" + app_name).ToUTF8().data();
-
-    if (new_path != default_path) {
-        // This happens when the user specifies a custom --datadir.
-        // Do not show anything in that case.
-        return true;
-    }
-
-    fs::path data_dir = fs::path(new_path);
-    if (! fs::is_directory(data_dir))
-        return true; // This should not happen.
-
-    int file_count = std::distance(fs::directory_iterator(data_dir), fs::directory_iterator());
-
-    if (file_count <= 1) { // just cache dir with an instance lock
-        std::string old_path = wxStandardPaths::Get().GetUserDataDir().ToUTF8().data();
-
-        if (fs::is_directory(old_path)) {
-            wxString msg = from_u8((boost::format(_u8L("Starting with %1% 2.3, configuration "
-                "directory on Linux has changed (according to XDG Base Directory Specification) to \n%2%.\n\n"
-                "This directory did not exist yet (maybe you run the new version for the first time).\nHowever, "
-                "an old %1% configuration directory was detected in \n%3%.\n\n"
-                "Consider moving the contents of the old directory to the new location in order to access "
-                "your profiles, etc.\nNote that if you decide to downgrade %1% in future, it will use the old "
-                "location again.\n\n"
-                "What do you want to do now?")) % SLIC3R_APP_NAME % new_path % old_path).str());
-            wxString caption = from_u8((boost::format(_u8L("%s - BREAKING CHANGE")) % SLIC3R_APP_NAME).str());
-            RichMessageDialog dlg(nullptr, msg, caption, wxYES_NO);
-            dlg.SetYesNoLabels(_L("Quit, I will move my data now"), _L("Start the application"));
-            if (dlg.ShowModal() != wxID_NO)
-                return false;
-        }
-    } else {
-        // If the new directory exists, be silent. The user likely already saw the message.
-    }
-    return true;
-}
-#endif
-
-#ifdef _WIN32
-#if 0 // External Updater is replaced with AppUpdater.cpp
-static bool run_updater_win()
-{
-    // find updater exe
-    boost::filesystem::path path_updater = boost::dll::program_location().parent_path() / "prusaslicer-updater.exe";
-    // run updater. Original args: /silent -restartapp prusa-slicer.exe -startappfirst
-    std::string msg;
-    bool res = create_process(path_updater, L"/silent", msg);
-    if (!res)
-        BOOST_LOG_TRIVIAL(error) << msg; 
-    return res;
-}
-#endif // 0
-#endif // _WIN32
-
-struct FileWildcards {
-    std::string_view              title;
-    std::vector<std::string_view> file_extensions;
-};
-
-
- 
-static const FileWildcards file_wildcards_by_type[FT_SIZE] = {
-    /* FT_STL */     { "STL files"sv,       { ".stl"sv } },
-    /* FT_OBJ */     { "OBJ files"sv,       { ".obj"sv } },
-    /* FT_OBJECT */  { "Object files"sv,    { ".stl"sv, ".obj"sv } },
-    /* FT_STEP */    { "STEP files"sv,      { ".stp"sv, ".step"sv } },    
-    /* FT_AMF */     { "AMF files"sv,       { ".amf"sv, ".zip.amf"sv, ".xml"sv } },
-    /* FT_3MF */     { "3MF files"sv,       { ".3mf"sv } },
-    /* FT_GCODE */   { "G-code files"sv,    { ".gcode"sv, ".gco"sv, ".g"sv, ".ngc"sv } },
-    /* FT_MODEL */   { "Known files"sv,     { ".stl"sv, ".obj"sv, ".3mf"sv, ".amf"sv, ".zip.amf"sv, ".xml"sv, ".step"sv, ".stp"sv } },
-    /* FT_PROJECT */ { "Project files"sv,   { ".3mf"sv, ".amf"sv, ".zip.amf"sv } },
-    /* FT_FONTS */   { "Font files"sv,      { ".ttc"sv, ".ttf"sv } },
-    /* FT_GALLERY */ { "Known files"sv,     { ".stl"sv, ".obj"sv } },
-
-    /* FT_INI */     { "INI files"sv,       { ".ini"sv } },
-    /* FT_SVG */     { "SVG files"sv,       { ".svg"sv } },
-
-    /* FT_TEX */     { "Texture"sv,         { ".png"sv, ".svg"sv } },
-
-    /* FT_SL1 */     { "Masked SLA files"sv, { ".sl1"sv, ".sl1s"sv, ".pwmx"sv } },
-};
-
-#if ENABLE_ALTERNATIVE_FILE_WILDCARDS_GENERATOR
-wxString file_wildcards(FileType file_type)
-{
-    const FileWildcards& data = file_wildcards_by_type[file_type];
-    std::string title;
-    std::string mask;
-
-    // Generate cumulative first item
-    for (const std::string_view& ext : data.file_extensions) {
-        if (title.empty()) {
-            title = "*";
-            title += ext;
-            mask = title;
-        }
-        else {
-            title += ", *";
-            title += ext;
-            mask += ";*";
-            mask += ext;
-        }
-        mask += ";*";
-        mask += boost::to_upper_copy(std::string(ext));
-    }
-
-    wxString ret = GUI::format_wxstr("%s (%s)|%s", data.title, title, mask);
-
-    // Adds an item for each of the extensions
-    if (data.file_extensions.size() > 1) {
-        for (const std::string_view& ext : data.file_extensions) {
-            title = "*";
-            title += ext;
-            ret += GUI::format_wxstr("|%s (%s)|%s", data.title, title, title);
-        }
-    }
-
-    return ret;
-}
-#else
-// This function produces a Win32 file dialog file template mask to be consumed by wxWidgets on all platforms.
-// The function accepts a custom extension parameter. If the parameter is provided, the custom extension
-// will be added as a fist to the list. This is important for a "file save" dialog on OSX, which strips
-// an extension from the provided initial file name and substitutes it with the default extension (the first one in the template).
-wxString file_wildcards(FileType file_type, const std::string &custom_extension)
-{
-    const FileWildcards& data = file_wildcards_by_type[file_type];
-    std::string title;
-    std::string mask;
-    std::string custom_ext_lower;
-
-    if (! custom_extension.empty()) {
-        // Generate an extension into the title mask and into the list of extensions.
-        custom_ext_lower = boost::to_lower_copy(custom_extension);
-        const std::string custom_ext_upper = boost::to_upper_copy(custom_extension);
-        if (custom_ext_lower == custom_extension) {
-            // Add a lower case version.
-            title = std::string("*") + custom_ext_lower;
-            mask = title;
-            // Add an upper case version.
-            mask  += ";*";
-            mask  += custom_ext_upper;
-        } else if (custom_ext_upper == custom_extension) {
-            // Add an upper case version.
-            title = std::string("*") + custom_ext_upper;
-            mask = title;
-            // Add a lower case version.
-            mask += ";*";
-            mask += custom_ext_lower;
-        } else {
-            // Add the mixed case version only.
-            title = std::string("*") + custom_extension;
-            mask = title;
-        }
-    }
-
-    for (const std::string_view &ext : data.file_extensions)
-        // Only add an extension if it was not added first as the custom extension.
-        if (ext != custom_ext_lower) {
-            if (title.empty()) {
-                title = "*";
-                title += ext;
-                mask  = title;
-            } else {
-                title += ", *";
-                title += ext;
-                mask  += ";*";
-                mask  += ext;
-            }
-            mask += ";*";
-            mask += boost::to_upper_copy(std::string(ext));
-        }
-
-    return GUI::format_wxstr("%s (%s)|%s", data.title, title, mask);
-}
-#endif // ENABLE_ALTERNATIVE_FILE_WILDCARDS_GENERATOR
-
-static std::string libslic3r_translate_callback(const char *s) { return wxGetTranslation(wxString(s, wxConvUTF8)).utf8_str().data(); }
-
-#ifdef WIN32
-#if !wxVERSION_EQUAL_OR_GREATER_THAN(3,1,3)
-static void register_win32_dpi_event()
-{
-    enum { WM_DPICHANGED_ = 0x02e0 };
-
-    wxWindow::MSWRegisterMessageHandler(WM_DPICHANGED_, [](wxWindow *win, WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) {
-        const int dpi = wParam & 0xffff;
-        const auto rect = reinterpret_cast<PRECT>(lParam);
-        const wxRect wxrect(wxPoint(rect->top, rect->left), wxPoint(rect->bottom, rect->right));
-
-        DpiChangedEvent evt(EVT_DPI_CHANGED_SLICER, dpi, wxrect);
-        win->GetEventHandler()->AddPendingEvent(evt);
-
-        return true;
-    });
-}
-#endif // !wxVERSION_EQUAL_OR_GREATER_THAN
-
-static GUID GUID_DEVINTERFACE_HID = { 0x4D1E55B2, 0xF16F, 0x11CF, 0x88, 0xCB, 0x00, 0x11, 0x11, 0x00, 0x00, 0x30 };
-
-static void register_win32_device_notification_event()
-{
-    wxWindow::MSWRegisterMessageHandler(WM_DEVICECHANGE, [](wxWindow *win, WXUINT /* nMsg */, WXWPARAM wParam, WXLPARAM lParam) {
-        // Some messages are sent to top level windows by default, some messages are sent to only registered windows, and we explictely register on MainFrame only.
-        auto main_frame = dynamic_cast<MainFrame*>(win);
-        auto plater = (main_frame == nullptr) ? nullptr : main_frame->plater();
-        if (plater == nullptr)
-            // Maybe some other top level window like a dialog or maybe a pop-up menu?
-            return true;
-		PDEV_BROADCAST_HDR lpdb = (PDEV_BROADCAST_HDR)lParam;
-        switch (wParam) {
-        case DBT_DEVICEARRIVAL:
-			if (lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME)
-		        plater->GetEventHandler()->AddPendingEvent(VolumeAttachedEvent(EVT_VOLUME_ATTACHED));
-			else if (lpdb->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE) {
-				PDEV_BROADCAST_DEVICEINTERFACE lpdbi = (PDEV_BROADCAST_DEVICEINTERFACE)lpdb;
-//				if (lpdbi->dbcc_classguid == GUID_DEVINTERFACE_VOLUME) {
-//					printf("DBT_DEVICEARRIVAL %d - Media has arrived: %ws\n", msg_count, lpdbi->dbcc_name);
-				if (lpdbi->dbcc_classguid == GUID_DEVINTERFACE_HID)
-			        plater->GetEventHandler()->AddPendingEvent(HIDDeviceAttachedEvent(EVT_HID_DEVICE_ATTACHED, boost::nowide::narrow(lpdbi->dbcc_name)));
-			}
-            break;
-		case DBT_DEVICEREMOVECOMPLETE:
-			if (lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME)
-                plater->GetEventHandler()->AddPendingEvent(VolumeDetachedEvent(EVT_VOLUME_DETACHED));
-			else if (lpdb->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE) {
-				PDEV_BROADCAST_DEVICEINTERFACE lpdbi = (PDEV_BROADCAST_DEVICEINTERFACE)lpdb;
-//				if (lpdbi->dbcc_classguid == GUID_DEVINTERFACE_VOLUME)
-//					printf("DBT_DEVICEARRIVAL %d - Media was removed: %ws\n", msg_count, lpdbi->dbcc_name);
-				if (lpdbi->dbcc_classguid == GUID_DEVINTERFACE_HID)
-        			plater->GetEventHandler()->AddPendingEvent(HIDDeviceDetachedEvent(EVT_HID_DEVICE_DETACHED, boost::nowide::narrow(lpdbi->dbcc_name)));
-			}
-			break;
-        default:
-            break;
-        }
-        return true;
-    });
-
-    wxWindow::MSWRegisterMessageHandler(MainFrame::WM_USER_MEDIACHANGED, [](wxWindow *win, WXUINT /* nMsg */, WXWPARAM wParam, WXLPARAM lParam) {
-        // Some messages are sent to top level windows by default, some messages are sent to only registered windows, and we explictely register on MainFrame only.
-        auto main_frame = dynamic_cast<MainFrame*>(win);
-        auto plater = (main_frame == nullptr) ? nullptr : main_frame->plater();
-        if (plater == nullptr)
-            // Maybe some other top level window like a dialog or maybe a pop-up menu?
-            return true;
-        wchar_t sPath[MAX_PATH];
-        if (lParam == SHCNE_MEDIAINSERTED || lParam == SHCNE_MEDIAREMOVED) {
-            struct _ITEMIDLIST* pidl = *reinterpret_cast<struct _ITEMIDLIST**>(wParam);
-            if (! SHGetPathFromIDList(pidl, sPath)) {
-                BOOST_LOG_TRIVIAL(error) << "MediaInserted: SHGetPathFromIDList failed";
-                return false;
-            }
-        }
-        switch (lParam) {
-        case SHCNE_MEDIAINSERTED:
-        {
-            //printf("SHCNE_MEDIAINSERTED %S\n", sPath);
-            plater->GetEventHandler()->AddPendingEvent(VolumeAttachedEvent(EVT_VOLUME_ATTACHED));
-            break;
-        }
-        case SHCNE_MEDIAREMOVED:
-        {
-            //printf("SHCNE_MEDIAREMOVED %S\n", sPath);
-            plater->GetEventHandler()->AddPendingEvent(VolumeDetachedEvent(EVT_VOLUME_DETACHED));
-            break;
-        }
-	    default:
-//          printf("Unknown\n");
-            break;
-	    }
-        return true;
-    });
-
-    wxWindow::MSWRegisterMessageHandler(WM_INPUT, [](wxWindow *win, WXUINT /* nMsg */, WXWPARAM wParam, WXLPARAM lParam) {
-        auto main_frame = dynamic_cast<MainFrame*>(Slic3r::GUI::find_toplevel_parent(win));
-        auto plater = (main_frame == nullptr) ? nullptr : main_frame->plater();
-//        if (wParam == RIM_INPUTSINK && plater != nullptr && main_frame->IsActive()) {
-        if (wParam == RIM_INPUT && plater != nullptr && main_frame->IsActive()) {
-        RAWINPUT raw;
-			UINT rawSize = sizeof(RAWINPUT);
-			::GetRawInputData((HRAWINPUT)lParam, RID_INPUT, &raw, &rawSize, sizeof(RAWINPUTHEADER));
-			if (raw.header.dwType == RIM_TYPEHID && plater->get_mouse3d_controller().handle_raw_input_win32(raw.data.hid.bRawData, raw.data.hid.dwSizeHid))
-				return true;
-		}
-        return false;
-    });
-
-	wxWindow::MSWRegisterMessageHandler(WM_COPYDATA, [](wxWindow* win, WXUINT /* nMsg */, WXWPARAM wParam, WXLPARAM lParam) {
-		COPYDATASTRUCT* copy_data_structure = { 0 };
-		copy_data_structure = (COPYDATASTRUCT*)lParam;
-		if (copy_data_structure->dwData == 1) {
-			LPCWSTR arguments = (LPCWSTR)copy_data_structure->lpData;
-			Slic3r::GUI::wxGetApp().other_instance_message_handler()->handle_message(boost::nowide::narrow(arguments));
-		}
-		return true;
-		});
-}
-#endif // WIN32
-
-static void generic_exception_handle()
-{
-    // Note: Some wxWidgets APIs use wxLogError() to report errors, eg. wxImage
-    // - see https://docs.wxwidgets.org/3.1/classwx_image.html#aa249e657259fe6518d68a5208b9043d0
-    //
-    // wxLogError typically goes around exception handling and display an error dialog some time
-    // after an error is logged even if exception handling and OnExceptionInMainLoop() take place.
-    // This is why we use wxLogError() here as well instead of a custom dialog, because it accumulates
-    // errors if multiple have been collected and displays just one error message for all of them.
-    // Otherwise we would get multiple error messages for one missing png, for example.
-    //
-    // If a custom error message window (or some other solution) were to be used, it would be necessary
-    // to turn off wxLogError() usage in wx APIs, most notably in wxImage
-    // - see https://docs.wxwidgets.org/trunk/classwx_image.html#aa32e5d3507cc0f8c3330135bc0befc6a
-
-    try {
-        throw;
-    } catch (const std::bad_alloc& ex) {
-        // bad_alloc in main thread is most likely fatal. Report immediately to the user (wxLogError would be delayed)
-        // and terminate the app so it is at least certain to happen now.
-        wxString errmsg = wxString::Format(_L("%s has encountered an error. It was likely caused by running out of memory. "
-                              "If you are sure you have enough RAM on your system, this may also be a bug and we would "
-                              "be glad if you reported it.\n\nThe application will now terminate."), SLIC3R_APP_NAME);
-        wxMessageBox(errmsg + "\n\n" + wxString(ex.what()), _L("Fatal error"), wxOK | wxICON_ERROR);
-        BOOST_LOG_TRIVIAL(error) << boost::format("std::bad_alloc exception: %1%") % ex.what();
-        std::terminate();
-    } catch (const boost::io::bad_format_string& ex) {
-        wxString errmsg = _L("PrusaSlicer has encountered a localization error. "
-                             "Please report to PrusaSlicer team, what language was active and in which scenario "
-                             "this issue happened. Thank you.\n\nThe application will now terminate.");
-        wxMessageBox(errmsg + "\n\n" + wxString(ex.what()), _L("Critical error"), wxOK | wxICON_ERROR);
-        BOOST_LOG_TRIVIAL(error) << boost::format("Uncaught exception: %1%") % ex.what();
-        std::terminate();
-        throw;
-    } catch (const std::exception& ex) {
-        wxLogError(format_wxstr(_L("Internal error: %1%"), ex.what()));
-        BOOST_LOG_TRIVIAL(error) << boost::format("Uncaught exception: %1%") % ex.what();
-        throw;
-    }
-}
-
-void GUI_App::post_init()
-{
-    assert(initialized());
-    if (! this->initialized())
-        throw Slic3r::RuntimeError("Calling post_init() while not yet initialized");
-
-    if (this->is_gcode_viewer()) {
-        if (! this->init_params->input_files.empty())
-            this->plater()->load_gcode(wxString::FromUTF8(this->init_params->input_files[0].c_str()));
-    }
-    else if (this->init_params->start_downloader) {
-        start_download(this->init_params->download_url);
-    } else {
-        if (! this->init_params->preset_substitutions.empty())
-            show_substitutions_info(this->init_params->preset_substitutions);
-
-#if 0
-        // Load the cummulative config over the currently active profiles.
-        //FIXME if multiple configs are loaded, only the last one will have an effect.
-        // We need to decide what to do about loading of separate presets (just print preset, just filament preset etc).
-        // As of now only the full configs are supported here.
-        if (!m_print_config.empty())
-            this->gui->mainframe->load_config(m_print_config);
-#endif
-        if (! this->init_params->load_configs.empty())
-            // Load the last config to give it a name at the UI. The name of the preset may be later
-            // changed by loading an AMF or 3MF.
-            //FIXME this is not strictly correct, as one may pass a print/filament/printer profile here instead of a full config.
-            this->mainframe->load_config_file(this->init_params->load_configs.back());
-        // If loading a 3MF file, the config is loaded from the last one.
-        if (!this->init_params->input_files.empty()) {
-            const std::vector<size_t> res = this->plater()->load_files(this->init_params->input_files, true, true);
-            if (!res.empty() && this->init_params->input_files.size() == 1) {
-                // Update application titlebar when opening a project file
-                const std::string& filename = this->init_params->input_files.front();
-                if (boost::algorithm::iends_with(filename, ".amf") ||
-                    boost::algorithm::iends_with(filename, ".amf.xml") ||
-                    boost::algorithm::iends_with(filename, ".3mf"))
-                    this->plater()->set_project_filename(from_u8(filename));
-            }
-            if (this->init_params->delete_after_load) {
-                for (const std::string& p : this->init_params->input_files) {
-                    boost::system::error_code ec;
-                    boost::filesystem::remove(boost::filesystem::path(p), ec);
-                    if (ec) {
-                        BOOST_LOG_TRIVIAL(error) << ec.message();
-                    }
-                } 
-            }
-        }
-        if (! this->init_params->extra_config.empty())
-            this->mainframe->load_config(this->init_params->extra_config);
-    }
-
-    // show "Did you know" notification
-    if (app_config->get("show_hints") == "1" && ! is_gcode_viewer())
-        plater_->get_notification_manager()->push_hint_notification(true);
-
-    // The extra CallAfter() is needed because of Mac, where this is the only way
-    // to popup a modal dialog on start without screwing combo boxes.
-    // This is ugly but I honestly found no better way to do it.
-    // Neither wxShowEvent nor wxWindowCreateEvent work reliably.
-    if (this->preset_updater) { // G-Code Viewer does not initialize preset_updater.
-        if (! this->check_updates(false))
-            // Configuration is not compatible and reconfigure was refused by the user. Application is closing.
-            return;
-        CallAfter([this] {
-            // preset_updater->sync downloads profile updates on background so it must begin after config wizard finished.
-            bool cw_showed = this->config_wizard_startup();
-            this->preset_updater->sync(preset_bundle);
-            this->app_version_check(false);
-            if (! cw_showed) {
-                // The CallAfter is needed as well, without it, GL extensions did not show.
-                // Also, we only want to show this when the wizard does not, so the new user
-                // sees something else than "we want something" on the first start.
-                show_send_system_info_dialog_if_needed();
-            }
-        });
-    }
-
-    // Set PrusaSlicer version and save to PrusaSlicer.ini or PrusaSlicerGcodeViewer.ini.
-    app_config->set("version", SLIC3R_VERSION);
-    app_config->save();
-
-#ifdef _WIN32
-    // Sets window property to mainframe so other instances can indentify it.
-    OtherInstanceMessageHandler::init_windows_properties(mainframe, m_instance_hash_int);
-#endif //WIN32
-}
-
-IMPLEMENT_APP(GUI_App)
-
-GUI_App::GUI_App(EAppMode mode)
-    : wxApp()
-    , m_app_mode(mode)
-    , m_em_unit(10)
-    , m_imgui(new ImGuiWrapper())
-	, m_removable_drive_manager(std::make_unique<RemovableDriveManager>())
-	, m_other_instance_message_handler(std::make_unique<OtherInstanceMessageHandler>())
-    , m_downloader(std::make_unique<Downloader>())
-{
-	//app config initializes early becasuse it is used in instance checking in PrusaSlicer.cpp
-	this->init_app_config();
-    // init app downloader after path to datadir is set
-    m_app_updater = std::make_unique<AppUpdater>();
-}
-
-GUI_App::~GUI_App()
-{
-    if (app_config != nullptr)
-        delete app_config;
-
-    if (preset_bundle != nullptr)
-        delete preset_bundle;
-
-    if (preset_updater != nullptr)
-        delete preset_updater;
-}
-
-// If formatted for github, plaintext with OpenGL extensions enclosed into <details>.
-// Otherwise HTML formatted for the system info dialog.
-std::string GUI_App::get_gl_info(bool for_github)
-{
-    return OpenGLManager::get_gl_info().to_string(for_github);
-}
-
-wxGLContext* GUI_App::init_glcontext(wxGLCanvas& canvas)
-{
-#if ENABLE_GL_CORE_PROFILE
-#if ENABLE_OPENGL_DEBUG_OPTION
-    return m_opengl_mgr.init_glcontext(canvas, init_params != nullptr ? init_params->opengl_version : std::make_pair(0, 0),
-        init_params != nullptr ? init_params->opengl_debug : false);
-#else
-    return m_opengl_mgr.init_glcontext(canvas, init_params != nullptr ? init_params->opengl_version : std::make_pair(0, 0));
-#endif // ENABLE_OPENGL_DEBUG_OPTION
-#else
-    return m_opengl_mgr.init_glcontext(canvas);
-#endif // ENABLE_GL_CORE_PROFILE
-}
-
-bool GUI_App::init_opengl()
-{
-#ifdef __linux__
-    bool status = m_opengl_mgr.init_gl();
-    m_opengl_initialized = true;
-    return status;
-#else
-    return m_opengl_mgr.init_gl();
-#endif
-}
-
-// gets path to PrusaSlicer.ini, returns semver from first line comment
-static boost::optional<Semver> parse_semver_from_ini(std::string path)
-{
-    std::ifstream stream(path);
-    std::stringstream buffer;
-    buffer << stream.rdbuf();
-    std::string body = buffer.str();
-    size_t start = body.find("PrusaSlicer ");
-    if (start == std::string::npos)
-        return boost::none;
-    body = body.substr(start + 12);
-    size_t end = body.find_first_of(" \n");
-    if (end < body.size())
-        body.resize(end);
-    return Semver::parse(body);
-}
-
-void GUI_App::init_app_config()
-{
-	// Profiles for the alpha are stored into the PrusaSlicer-alpha directory to not mix with the current release.
-
-//  SetAppName(SLIC3R_APP_KEY);
-	SetAppName(SLIC3R_APP_KEY "-alpha");
-//  SetAppName(SLIC3R_APP_KEY "-beta");
-
-
-//	SetAppDisplayName(SLIC3R_APP_NAME);
-
-	// Set the Slic3r data directory at the Slic3r XS module.
-	// Unix: ~/ .Slic3r
-	// Windows : "C:\Users\username\AppData\Roaming\Slic3r" or "C:\Documents and Settings\username\Application Data\Slic3r"
-	// Mac : "~/Library/Application Support/Slic3r"
-
-    if (data_dir().empty()) {
-        #ifndef __linux__
-            set_data_dir(wxStandardPaths::Get().GetUserDataDir().ToUTF8().data());
-        #else
-            // Since version 2.3, config dir on Linux is in ${XDG_CONFIG_HOME}.
-            // https://github.com/prusa3d/PrusaSlicer/issues/2911
-            wxString dir;
-            if (! wxGetEnv(wxS("XDG_CONFIG_HOME"), &dir) || dir.empty() )
-                dir = wxFileName::GetHomeDir() + wxS("/.config");
-            set_data_dir((dir + "/" + GetAppName()).ToUTF8().data());
-        #endif
-    } else {
-        m_datadir_redefined = true;
-    }
-
-	if (!app_config)
-        app_config = new AppConfig(is_editor() ? AppConfig::EAppMode::Editor : AppConfig::EAppMode::GCodeViewer);
-
-	// load settings
-	m_app_conf_exists = app_config->exists();
-	if (m_app_conf_exists) {
-        std::string error = app_config->load();
-        if (!error.empty()) {
-            // Error while parsing config file. We'll customize the error message and rethrow to be displayed.
-            if (is_editor()) {
-                throw Slic3r::RuntimeError(
-                    _u8L("Error parsing PrusaSlicer config file, it is probably corrupted. "
-                        "Try to manually delete the file to recover from the error. Your user profiles will not be affected.") +
-                    "\n\n" + app_config->config_path() + "\n\n" + error);
-            }
-            else {
-                throw Slic3r::RuntimeError(
-                    _u8L("Error parsing PrusaGCodeViewer config file, it is probably corrupted. "
-                        "Try to manually delete the file to recover from the error.") +
-                    "\n\n" + app_config->config_path() + "\n\n" + error);
-            }
-        }
-    }
-}
-
-// returns old config path to copy from if such exists,
-// returns an empty string if such config path does not exists or if it cannot be loaded.
-std::string GUI_App::check_older_app_config(Semver current_version, bool backup)
-{
-    std::string older_data_dir_path;
-
-    // If the config folder is redefined - do not check
-    if (m_datadir_redefined)
-        return {};
-
-    // find other version app config (alpha / beta / release)
-    std::string             config_path = app_config->config_path();
-    boost::filesystem::path parent_file_path(config_path);
-    std::string             filename = parent_file_path.filename().string();
-    parent_file_path.remove_filename().remove_filename();
-
-    std::vector<boost::filesystem::path> candidates;
-
-    if (SLIC3R_APP_KEY "-alpha" != GetAppName()) candidates.emplace_back(parent_file_path / SLIC3R_APP_KEY "-alpha" / filename);
-    if (SLIC3R_APP_KEY "-beta" != GetAppName())  candidates.emplace_back(parent_file_path / SLIC3R_APP_KEY "-beta" / filename);
-    if (SLIC3R_APP_KEY != GetAppName())          candidates.emplace_back(parent_file_path / SLIC3R_APP_KEY / filename);
-
-    Semver last_semver = current_version;
-    for (const auto& candidate : candidates) {
-        if (boost::filesystem::exists(candidate)) {
-            // parse
-            boost::optional<Semver>other_semver = parse_semver_from_ini(candidate.string());
-            if (other_semver && *other_semver > last_semver) {
-                last_semver = *other_semver;
-                older_data_dir_path = candidate.parent_path().string();
-            }
-        }
-    }
-    if (older_data_dir_path.empty())
-        return {};
-    BOOST_LOG_TRIVIAL(info) << "last app config file used: " << older_data_dir_path;
-    // ask about using older data folder
-
-    InfoDialog msg(nullptr
-        , format_wxstr(_L("You are opening %1% version %2%."), SLIC3R_APP_NAME, SLIC3R_VERSION)
-        , backup ? 
-        format_wxstr(_L(
-            "The active configuration was created by <b>%1% %2%</b>,"
-            "\nwhile a newer configuration was found in <b>%3%</b>"
-            "\ncreated by <b>%1% %4%</b>."
-            "\n\nShall the newer configuration be imported?"
-            "\nIf so, your active configuration will be backed up before importing the new configuration."
-        )
-            , SLIC3R_APP_NAME, current_version.to_string(), older_data_dir_path, last_semver.to_string())
-        : format_wxstr(_L(
-            "An existing configuration was found in <b>%3%</b>"
-            "\ncreated by <b>%1% %2%</b>."
-            "\n\nShall this configuration be imported?"
-        )
-            , SLIC3R_APP_NAME, last_semver.to_string(), older_data_dir_path)
-        , true, wxYES_NO);
-
-    if (backup) {
-        msg.SetButtonLabel(wxID_YES, _L("Import"));
-        msg.SetButtonLabel(wxID_NO, _L("Don't import"));
-    }
-
-    if (msg.ShowModal() == wxID_YES) {
-        std::string snapshot_id;
-        if (backup) {
-            const Config::Snapshot* snapshot{ nullptr };
-            if (! GUI::Config::take_config_snapshot_cancel_on_error(*app_config, Config::Snapshot::SNAPSHOT_USER, "",
-                _u8L("Continue and import newer configuration?"), &snapshot))
-                return {};
-            if (snapshot) {
-                // Save snapshot ID before loading the alternate AppConfig, as loading the alternate AppConfig may fail.
-                snapshot_id = snapshot->id;
-                assert(! snapshot_id.empty());
-                app_config->set("on_snapshot", snapshot_id);
-            } else
-                BOOST_LOG_TRIVIAL(error) << "Failed to take congiguration snapshot";
-        }
-
-        // load app config from older file
-        std::string error = app_config->load((boost::filesystem::path(older_data_dir_path) / filename).string());
-        if (!error.empty()) {
-            // Error while parsing config file. We'll customize the error message and rethrow to be displayed.
-            if (is_editor()) {
-                throw Slic3r::RuntimeError(
-                    _u8L("Error parsing PrusaSlicer config file, it is probably corrupted. "
-                        "Try to manually delete the file to recover from the error. Your user profiles will not be affected.") +
-                    "\n\n" + app_config->config_path() + "\n\n" + error);
-            }
-            else {
-                throw Slic3r::RuntimeError(
-                    _u8L("Error parsing PrusaGCodeViewer config file, it is probably corrupted. "
-                        "Try to manually delete the file to recover from the error.") +
-                    "\n\n" + app_config->config_path() + "\n\n" + error);
-            }
-        }
-        if (!snapshot_id.empty())
-            app_config->set("on_snapshot", snapshot_id);
-        m_app_conf_exists = true;
-        return older_data_dir_path;
-    }
-    return {};
-}
-
-void GUI_App::init_single_instance_checker(const std::string &name, const std::string &path)
-{
-    BOOST_LOG_TRIVIAL(debug) << "init wx instance checker " << name << " "<< path; 
-    m_single_instance_checker = std::make_unique<wxSingleInstanceChecker>(boost::nowide::widen(name), boost::nowide::widen(path));
-}
-
-bool GUI_App::OnInit()
-{
-    try {
-        return on_init_inner();
-    } catch (const std::exception&) {
-        generic_exception_handle();
-        return false;
-    }
-}
-
-bool GUI_App::on_init_inner()
-{
-    // Set initialization of image handlers before any UI actions - See GH issue #7469
-    wxInitAllImageHandlers();
-
-#if defined(_WIN32) && ! defined(_WIN64)
-    // Win32 32bit build.
-    if (wxPlatformInfo::Get().GetArchName().substr(0, 2) == "64") {
-        RichMessageDialog dlg(nullptr,
-            _L("You are running a 32 bit build of PrusaSlicer on 64-bit Windows."
-                "\n32 bit build of PrusaSlicer will likely not be able to utilize all the RAM available in the system."
-                "\nPlease download and install a 64 bit build of PrusaSlicer from https://www.prusa3d.cz/prusaslicer/."
-                "\nDo you wish to continue?"),
-            "PrusaSlicer", wxICON_QUESTION | wxYES_NO);
-        if (dlg.ShowModal() != wxID_YES)
-            return false;
-    }
-#endif // _WIN64
-
-    // Forcing back menu icons under gtk2 and gtk3. Solution is based on:
-    // https://docs.gtk.org/gtk3/class.Settings.html
-    // see also https://docs.wxwidgets.org/3.0/classwx_menu_item.html#a2b5d6bcb820b992b1e4709facbf6d4fb
-    // TODO: Find workaround for GTK4
-#if defined(__WXGTK20__) || defined(__WXGTK3__)
-    g_object_set (gtk_settings_get_default (), "gtk-menu-images", TRUE, NULL);
-#endif
-
-    // Verify resources path
-    const wxString resources_dir = from_u8(Slic3r::resources_dir());
-    wxCHECK_MSG(wxDirExists(resources_dir), false,
-        wxString::Format("Resources path does not exist or is not a directory: %s", resources_dir));
-
-#ifdef __linux__
-    if (! check_old_linux_datadir(GetAppName())) {
-        std::cerr << "Quitting, user chose to move their data to new location." << std::endl;
-        return false;
-    }
-#endif
-
-    // Enable this to get the default Win32 COMCTRL32 behavior of static boxes.
-//    wxSystemOptions::SetOption("msw.staticbox.optimized-paint", 0);
-    // Enable this to disable Windows Vista themes for all wxNotebooks. The themes seem to lead to terrible
-    // performance when working on high resolution multi-display setups.
-//    wxSystemOptions::SetOption("msw.notebook.themed-background", 0);
-
-//     Slic3r::debugf "wxWidgets version %s, Wx version %s\n", wxVERSION_STRING, wxVERSION;
-
-    // !!! Initialization of UI settings as a language, application color mode, fonts... have to be done before first UI action.
-    // Like here, before the show InfoDialog in check_older_app_config()
-
-    // If load_language() fails, the application closes.
-    load_language(wxString(), true);
-#ifdef _MSW_DARK_MODE
-    bool init_dark_color_mode = app_config->get("dark_color_mode") == "1";
-    bool init_sys_menu_enabled = app_config->get("sys_menu_enabled") == "1";
-    NppDarkMode::InitDarkMode(init_dark_color_mode, init_sys_menu_enabled);
-#endif
-    // initialize label colors and fonts
-    init_ui_colours();
-    init_fonts();
-
-    std::string older_data_dir_path;
-    if (m_app_conf_exists) {
-        if (app_config->orig_version().valid() && app_config->orig_version() < *Semver::parse(SLIC3R_VERSION))
-            // Only copying configuration if it was saved with a newer slicer than the one currently running.
-            older_data_dir_path = check_older_app_config(app_config->orig_version(), true);
-    } else {
-        // No AppConfig exists, fresh install. Always try to copy from an alternate location, don't make backup of the current configuration.
-        older_data_dir_path = check_older_app_config(Semver(), false);
-    }
-
-#ifdef _MSW_DARK_MODE
-    // app_config can be updated in check_older_app_config(), so check if dark_color_mode and sys_menu_enabled was changed
-    if (bool new_dark_color_mode = app_config->get("dark_color_mode") == "1";
-        init_dark_color_mode != new_dark_color_mode) {
-        NppDarkMode::SetDarkMode(new_dark_color_mode);
-        init_ui_colours();
-        update_ui_colours_from_appconfig();
-    }
-    if (bool new_sys_menu_enabled = app_config->get("sys_menu_enabled") == "1";
-        init_sys_menu_enabled != new_sys_menu_enabled)
-        NppDarkMode::SetSystemMenuForApp(new_sys_menu_enabled);
-#endif
-
-    if (is_editor()) {
-        std::string msg = Http::tls_global_init();
-        std::string ssl_cert_store = app_config->get("tls_accepted_cert_store_location");
-        bool ssl_accept = app_config->get("tls_cert_store_accepted") == "yes" && ssl_cert_store == Http::tls_system_cert_store();
-
-        if (!msg.empty() && !ssl_accept) {
-            RichMessageDialog
-                dlg(nullptr,
-                    wxString::Format(_L("%s\nDo you want to continue?"), msg),
-                    "PrusaSlicer", wxICON_QUESTION | wxYES_NO);
-            dlg.ShowCheckBox(_L("Remember my choice"));
-            if (dlg.ShowModal() != wxID_YES) return false;
-
-            app_config->set("tls_cert_store_accepted",
-                dlg.IsCheckBoxChecked() ? "yes" : "no");
-            app_config->set("tls_accepted_cert_store_location",
-                dlg.IsCheckBoxChecked() ? Http::tls_system_cert_store() : "");
-        }
-    }
-
-    SplashScreen* scrn = nullptr;
-    if (app_config->get("show_splash_screen") == "1") {
-        // make a bitmap with dark grey banner on the left side
-        wxBitmap bmp = SplashScreen::MakeBitmap(wxBitmap(from_u8(var(is_editor() ? "splashscreen.jpg" : "splashscreen-gcodepreview.jpg")), wxBITMAP_TYPE_JPEG));
-
-        // Detect position (display) to show the splash screen
-        // Now this position is equal to the mainframe position
-        wxPoint splashscreen_pos = wxDefaultPosition;
-        bool default_splashscreen_pos = true;
-        if (app_config->has("window_mainframe") && app_config->get("restore_win_position") == "1") {
-            auto metrics = WindowMetrics::deserialize(app_config->get("window_mainframe"));
-            default_splashscreen_pos = metrics == boost::none;
-            if (!default_splashscreen_pos)
-                splashscreen_pos = metrics->get_rect().GetPosition();
-        }
-
-        if (!default_splashscreen_pos) {
-            // workaround for crash related to the positioning of the window on secondary monitor
-            get_app_config()->set("restore_win_position", "crashed_at_splashscreen_pos");
-            get_app_config()->save();
-        }
-
-        // create splash screen with updated bmp
-        scrn = new SplashScreen(bmp.IsOk() ? bmp : get_bmp_bundle("PrusaSlicer", 400)->GetPreferredBitmapSizeAtScale(1.0), 
-                                wxSPLASH_CENTRE_ON_SCREEN | wxSPLASH_TIMEOUT, 4000, splashscreen_pos);
-
-        if (!default_splashscreen_pos)
-            // revert "restore_win_position" value if application wasn't crashed
-            get_app_config()->set("restore_win_position", "1");
-#ifndef __linux__
-        wxYield();
-#endif
-        scrn->SetText(_L("Loading configuration")+ dots);
-    }
-
-    preset_bundle = new PresetBundle();
-
-    // just checking for existence of Slic3r::data_dir is not enough : it may be an empty directory
-    // supplied as argument to --datadir; in that case we should still run the wizard
-    preset_bundle->setup_directories();
-    
-    if (! older_data_dir_path.empty()) {
-        preset_bundle->import_newer_configs(older_data_dir_path);
-        app_config->save();
-    }
-
-    if (is_editor()) {
-#ifdef __WXMSW__ 
-        if (app_config->get("associate_3mf") == "1")
-            associate_3mf_files();
-        if (app_config->get("associate_stl") == "1")
-            associate_stl_files();
-#endif // __WXMSW__
-
-        preset_updater = new PresetUpdater();
-        Bind(EVT_SLIC3R_VERSION_ONLINE, &GUI_App::on_version_read, this);
-        Bind(EVT_SLIC3R_EXPERIMENTAL_VERSION_ONLINE, [this](const wxCommandEvent& evt) {
-            if (this->plater_ != nullptr && app_config->get("notify_release") == "all") {
-                std::string evt_string = into_u8(evt.GetString());
-                if (*Semver::parse(SLIC3R_VERSION) < *Semver::parse(evt_string)) {
-                    auto notif_type = (evt_string.find("beta") != std::string::npos ? NotificationType::NewBetaAvailable : NotificationType::NewAlphaAvailable);
-                    this->plater_->get_notification_manager()->push_notification( notif_type
-                        , NotificationManager::NotificationLevel::ImportantNotificationLevel
-                        , Slic3r::format(_u8L("New prerelease version %1% is available."), evt_string)
-                        , _u8L("See Releases page.")
-                        , [](wxEvtHandler* evnthndlr) {wxGetApp().open_browser_with_warning_dialog("https://github.com/prusa3d/PrusaSlicer/releases"); return true; }
-                    );
-                }
-            }
-            });
-        Bind(EVT_SLIC3R_APP_DOWNLOAD_PROGRESS, [this](const wxCommandEvent& evt) {
-            //lm:This does not force a render. The progress bar only updateswhen the mouse is moved.
-            if (this->plater_ != nullptr)
-                this->plater_->get_notification_manager()->set_download_progress_percentage((float)std::stoi(into_u8(evt.GetString())) / 100.f );
-        });
-
-        Bind(EVT_SLIC3R_APP_DOWNLOAD_FAILED, [this](const wxCommandEvent& evt) {
-            if (this->plater_ != nullptr)
-                this->plater_->get_notification_manager()->close_notification_of_type(NotificationType::AppDownload);
-            if(!evt.GetString().IsEmpty())
-                show_error(nullptr, evt.GetString());
-        });
-
-        Bind(EVT_SLIC3R_APP_OPEN_FAILED, [](const wxCommandEvent& evt) {
-            show_error(nullptr, evt.GetString());
-        }); 
-
-    }
-    else {
-#ifdef __WXMSW__ 
-        if (app_config->get("associate_gcode") == "1")
-            associate_gcode_files();
-#endif // __WXMSW__
-    }
-
-    // Suppress the '- default -' presets.
-    preset_bundle->set_default_suppressed(app_config->get("no_defaults") == "1");
-    try {
-        // Enable all substitutions (in both user and system profiles), but log the substitutions in user profiles only.
-        // If there are substitutions in system profiles, then a "reconfigure" event shall be triggered, which will force
-        // installation of a compatible system preset, thus nullifying the system preset substitutions.
-        init_params->preset_substitutions = preset_bundle->load_presets(*app_config, ForwardCompatibilitySubstitutionRule::EnableSystemSilent);
-    } catch (const std::exception &ex) {
-        show_error(nullptr, ex.what());
-    }
-
-#ifdef WIN32
-#if !wxVERSION_EQUAL_OR_GREATER_THAN(3,1,3)
-    register_win32_dpi_event();
-#endif // !wxVERSION_EQUAL_OR_GREATER_THAN
-    register_win32_device_notification_event();
-#endif // WIN32
-
-    // Let the libslic3r know the callback, which will translate messages on demand.
-    Slic3r::I18N::set_translate_callback(libslic3r_translate_callback);
-
-    // application frame
-    if (scrn && is_editor())
-        scrn->SetText(_L("Preparing settings tabs") + dots);
-
-    mainframe = new MainFrame();
-    // hide settings tabs after first Layout
-    if (is_editor())
-        mainframe->select_tab(size_t(0));
-
-    sidebar().obj_list()->init_objects(); // propagate model objects to object list
-//     update_mode(); // !!! do that later
-    SetTopWindow(mainframe);
-
-    plater_->init_notification_manager();
-
-    m_printhost_job_queue.reset(new PrintHostJobQueue(mainframe->printhost_queue_dlg()));
-
-    if (is_gcode_viewer()) {
-        mainframe->update_layout();
-        if (plater_ != nullptr)
-            // ensure the selected technology is ptFFF
-            plater_->set_printer_technology(ptFFF);
-    }
-    else
-        load_current_presets();
-
-    // Save the active profiles as a "saved into project".
-    update_saved_preset_from_current_preset();
-
-    if (plater_ != nullptr) {
-        // Save the names of active presets and project specific config into ProjectDirtyStateManager.
-        plater_->reset_project_dirty_initial_presets();
-        // Update Project dirty state, update application title bar.
-        plater_->update_project_dirty_from_presets();
-    }
-
-    mainframe->Show(true);
-
-    obj_list()->set_min_height();
-
-    update_mode(); // update view mode after fix of the object_list size
-
-#ifdef __APPLE__
-    other_instance_message_handler()->bring_instance_forward();
-#endif //__APPLE__
-
-    Bind(wxEVT_IDLE, [this](wxIdleEvent& event)
-    {
-        if (! plater_)
-            return;
-
-        this->obj_manipul()->update_if_dirty();
-
-        // An ugly solution to GH #5537 in which GUI_App::init_opengl (normally called from events wxEVT_PAINT
-        // and wxEVT_SET_FOCUS before GUI_App::post_init is called) wasn't called before GUI_App::post_init and OpenGL wasn't initialized.
-#ifdef __linux__
-        if (! m_post_initialized && m_opengl_initialized) {
-#else
-        if (! m_post_initialized) {
-#endif
-            m_post_initialized = true;
-#ifdef WIN32
-            this->mainframe->register_win32_callbacks();
-#endif
-            this->post_init();
-        }
-
-        if (m_post_initialized && app_config->dirty() && app_config->get("autosave") == "1")
-            app_config->save();
-    });
-
-    m_initialized = true;
-
-    if (const std::string& crash_reason = app_config->get("restore_win_position");
-        boost::starts_with(crash_reason,"crashed"))
-    {
-        wxString preferences_item = _L("Restore window position on start");
-        InfoDialog dialog(nullptr,
-            _L("PrusaSlicer started after a crash"),
-            format_wxstr(_L("PrusaSlicer crashed last time when attempting to set window position.\n"
-                "We are sorry for the inconvenience, it unfortunately happens with certain multiple-monitor setups.\n"
-                "More precise reason for the crash: \"%1%\".\n"
-                "For more information see our GitHub issue tracker: \"%2%\" and \"%3%\"\n\n"
-                "To avoid this problem, consider disabling \"%4%\" in \"Preferences\". "
-                "Otherwise, the application will most likely crash again next time."),
-                "<b>" + from_u8(crash_reason) + "</b>",
-                "<a href=http://github.com/prusa3d/PrusaSlicer/issues/2939>#2939</a>",
-                "<a href=http://github.com/prusa3d/PrusaSlicer/issues/5573>#5573</a>",
-                "<b>" + preferences_item + "</b>"),
-            true, wxYES_NO);
-
-        dialog.SetButtonLabel(wxID_YES, format_wxstr(_L("Disable \"%1%\""), preferences_item));
-        dialog.SetButtonLabel(wxID_NO,  format_wxstr(_L("Leave \"%1%\" enabled") , preferences_item));
-        
-        auto answer = dialog.ShowModal();
-        if (answer == wxID_YES)
-            app_config->set("restore_win_position", "0");
-        else if (answer == wxID_NO)
-            app_config->set("restore_win_position", "1");
-        app_config->save();
-    }
-
-    return true;
-}
-
-unsigned GUI_App::get_colour_approx_luma(const wxColour &colour)
-{
-    double r = colour.Red();
-    double g = colour.Green();
-    double b = colour.Blue();
-
-    return std::round(std::sqrt(
-        r * r * .241 +
-        g * g * .691 +
-        b * b * .068
-        ));
-}
-
-bool GUI_App::dark_mode()
-{
-#if __APPLE__
-    // The check for dark mode returns false positive on 10.12 and 10.13,
-    // which allowed setting dark menu bar and dock area, which is
-    // is detected as dark mode. We must run on at least 10.14 where the
-    // proper dark mode was first introduced.
-    return wxPlatformInfo::Get().CheckOSVersion(10, 14) && mac_dark_mode();
-#else
-    if (wxGetApp().app_config->has("dark_color_mode"))
-        return wxGetApp().app_config->get("dark_color_mode") == "1";
-    return check_dark_mode();
-#endif
-}
-
-const wxColour GUI_App::get_label_default_clr_system()
-{
-    return dark_mode() ? wxColour(115, 220, 103) : wxColour(26, 132, 57);
-}
-
-const wxColour GUI_App::get_label_default_clr_modified()
-{
-    return dark_mode() ? wxColour(253, 111, 40) : wxColour(252, 77, 1);
-}
-
-const std::vector<std::string> GUI_App::get_mode_default_palette()
-{
-    return { "#7DF028", "#FFDC00", "#E70000" };
-}
-
-void GUI_App::init_ui_colours()
-{
-    m_color_label_modified          = get_label_default_clr_modified();
-    m_color_label_sys               = get_label_default_clr_system();
-    m_mode_palette                  = get_mode_default_palette();
-
-    bool is_dark_mode = dark_mode();
-#ifdef _WIN32
-    m_color_label_default           = is_dark_mode ? wxColour(250, 250, 250): wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
-    m_color_highlight_label_default = is_dark_mode ? wxColour(230, 230, 230): wxSystemSettings::GetColour(/*wxSYS_COLOUR_HIGHLIGHTTEXT*/wxSYS_COLOUR_WINDOWTEXT);
-    m_color_highlight_default       = is_dark_mode ? wxColour(78, 78, 78)   : wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
-    m_color_hovered_btn_label       = is_dark_mode ? wxColour(253, 111, 40) : wxColour(252, 77, 1);
-    m_color_default_btn_label       = is_dark_mode ? wxColour(255, 181, 100): wxColour(203, 61, 0);
-    m_color_selected_btn_bg         = is_dark_mode ? wxColour(95, 73, 62)   : wxColour(228, 220, 216);
-#else
-    m_color_label_default = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
-#endif
-    m_color_window_default          = is_dark_mode ? wxColour(43, 43, 43)   : wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
-}
-
-void GUI_App::update_ui_colours_from_appconfig()
-{
-    // load label colors
-    if (app_config->has("label_clr_sys")) {
-        auto str = app_config->get("label_clr_sys");
-        if (!str.empty())
-            m_color_label_sys = wxColour(str);
-    }
-
-    if (app_config->has("label_clr_modified")) {
-        auto str = app_config->get("label_clr_modified");
-        if (!str.empty())
-            m_color_label_modified = wxColour(str);
-    }
-
-    // load mode markers colors
-    if (app_config->has("mode_palette")) {
-        const auto colors = app_config->get("mode_palette");
-        if (!colors.empty()) {
-            m_mode_palette.clear();
-            if (!unescape_strings_cstyle(colors, m_mode_palette))
-                m_mode_palette = get_mode_default_palette();
-        }
-    }
-}
-
-void GUI_App::update_label_colours()
-{
-    for (Tab* tab : tabs_list)
-        tab->update_label_colours();
-}
-
-#ifdef _WIN32
-static bool is_focused(HWND hWnd)
-{
-    HWND hFocusedWnd = ::GetFocus();
-    return hFocusedWnd && hWnd == hFocusedWnd;
-}
-
-static bool is_default(wxWindow* win)
-{
-    wxTopLevelWindow* tlw = find_toplevel_parent(win);
-    if (!tlw)
-        return false;
-        
-    return win == tlw->GetDefaultItem();
-}
-#endif
-
-void GUI_App::UpdateDarkUI(wxWindow* window, bool highlited/* = false*/, bool just_font/* = false*/)
-{
-#ifdef _WIN32
-    bool is_focused_button = false;
-    bool is_default_button = false;
-    if (wxButton* btn = dynamic_cast<wxButton*>(window)) {
-        if (!(btn->GetWindowStyle() & wxNO_BORDER)) {
-            btn->SetWindowStyle(btn->GetWindowStyle() | wxNO_BORDER);
-            highlited = true;
-        }
-        // button marking
-        {
-            auto mark_button = [this, btn, highlited](const bool mark) {
-                if (btn->GetLabel().IsEmpty())
-                    btn->SetBackgroundColour(mark ? m_color_selected_btn_bg   : highlited ? m_color_highlight_default : m_color_window_default);
-                else
-                    btn->SetForegroundColour(mark ? m_color_hovered_btn_label : (is_default(btn) ? m_color_default_btn_label : m_color_label_default));
-                btn->Refresh();
-                btn->Update();
-            };
-
-            // hovering
-            btn->Bind(wxEVT_ENTER_WINDOW, [mark_button](wxMouseEvent& event) { mark_button(true); event.Skip(); });
-            btn->Bind(wxEVT_LEAVE_WINDOW, [mark_button, btn](wxMouseEvent& event) { mark_button(is_focused(btn->GetHWND())); event.Skip(); });
-            // focusing
-            btn->Bind(wxEVT_SET_FOCUS,    [mark_button](wxFocusEvent& event) { mark_button(true); event.Skip(); });
-            btn->Bind(wxEVT_KILL_FOCUS,   [mark_button](wxFocusEvent& event) { mark_button(false); event.Skip(); });
-
-            is_focused_button = is_focused(btn->GetHWND());
-            is_default_button = is_default(btn);
-            if (is_focused_button || is_default_button)
-                mark_button(is_focused_button);
-        }
-    }
-    else if (wxTextCtrl* text = dynamic_cast<wxTextCtrl*>(window)) {
-        if (text->GetBorder() != wxBORDER_SIMPLE)
-            text->SetWindowStyle(text->GetWindowStyle() | wxBORDER_SIMPLE);
-    }
-    else if (wxCheckListBox* list = dynamic_cast<wxCheckListBox*>(window)) {
-        list->SetWindowStyle(list->GetWindowStyle() | wxBORDER_SIMPLE);
-        list->SetBackgroundColour(highlited ? m_color_highlight_default : m_color_window_default);
-        for (size_t i = 0; i < list->GetCount(); i++)
-            if (wxOwnerDrawn* item = list->GetItem(i)) {
-                item->SetBackgroundColour(highlited ? m_color_highlight_default : m_color_window_default);
-                item->SetTextColour(m_color_label_default);
-            }
-        return;
-    }
-    else if (dynamic_cast<wxListBox*>(window))
-        window->SetWindowStyle(window->GetWindowStyle() | wxBORDER_SIMPLE);
-
-    if (!just_font)
-        window->SetBackgroundColour(highlited ? m_color_highlight_default : m_color_window_default);
-    if (!is_focused_button && !is_default_button)
-        window->SetForegroundColour(m_color_label_default);
-#endif
-}
-
-// recursive function for scaling fonts for all controls in Window
-#ifdef _WIN32
-static void update_dark_children_ui(wxWindow* window, bool just_buttons_update = false)
-{
-    bool is_btn = dynamic_cast<wxButton*>(window) != nullptr;
-    if (!(just_buttons_update && !is_btn))
-        wxGetApp().UpdateDarkUI(window, is_btn);
-
-    auto children = window->GetChildren();
-    for (auto child : children) {        
-        update_dark_children_ui(child);
-    }
-}
-#endif
-
-// Note: Don't use this function for Dialog contains ScalableButtons
-void GUI_App::UpdateDlgDarkUI(wxDialog* dlg, bool just_buttons_update/* = false*/)
-{
-#ifdef _WIN32
-    update_dark_children_ui(dlg, just_buttons_update);
-#endif
-}
-void GUI_App::UpdateDVCDarkUI(wxDataViewCtrl* dvc, bool highlited/* = false*/)
-{
-#ifdef _WIN32
-    UpdateDarkUI(dvc, highlited ? dark_mode() : false);
-#ifdef _MSW_DARK_MODE
-    dvc->RefreshHeaderDarkMode(&m_normal_font);
-#endif //_MSW_DARK_MODE
-    if (dvc->HasFlag(wxDV_ROW_LINES))
-        dvc->SetAlternateRowColour(m_color_highlight_default);
-    if (dvc->GetBorder() != wxBORDER_SIMPLE)
-        dvc->SetWindowStyle(dvc->GetWindowStyle() | wxBORDER_SIMPLE);
-#endif
-}
-
-void GUI_App::UpdateAllStaticTextDarkUI(wxWindow* parent)
-{
-#ifdef _WIN32
-    wxGetApp().UpdateDarkUI(parent);
-
-    auto children = parent->GetChildren();
-    for (auto child : children) {
-        if (dynamic_cast<wxStaticText*>(child))
-            child->SetForegroundColour(m_color_label_default);
-    }
-#endif
-}
-
-void GUI_App::init_fonts()
-{
-    m_small_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
-    m_bold_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT).Bold();
-    m_normal_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
-
-#ifdef __WXMAC__
-    m_small_font.SetPointSize(11);
-    m_bold_font.SetPointSize(13);
-#endif /*__WXMAC__*/
-
-    // wxSYS_OEM_FIXED_FONT and wxSYS_ANSI_FIXED_FONT use the same as
-    // DEFAULT in wxGtk. Use the TELETYPE family as a work-around
-    m_code_font = wxFont(wxFontInfo().Family(wxFONTFAMILY_TELETYPE));
-    m_code_font.SetPointSize(m_normal_font.GetPointSize());
-}
-
-void GUI_App::update_fonts(const MainFrame *main_frame)
-{
-    /* Only normal and bold fonts are used for an application rescale,
-     * because of under MSW small and normal fonts are the same.
-     * To avoid same rescaling twice, just fill this values
-     * from rescaled MainFrame
-     */
-	if (main_frame == nullptr)
-		main_frame = this->mainframe;
-    m_normal_font   = main_frame->normal_font();
-    m_small_font    = m_normal_font;
-    m_bold_font     = main_frame->normal_font().Bold();
-    m_link_font     = m_bold_font.Underlined();
-    m_em_unit       = main_frame->em_unit();
-    m_code_font.SetPointSize(m_normal_font.GetPointSize());
-}
-
-void GUI_App::set_label_clr_modified(const wxColour& clr) 
-{
-    if (m_color_label_modified == clr)
-        return;
-    m_color_label_modified = clr;
-    const std::string str = encode_color(ColorRGB(clr.Red(), clr.Green(), clr.Blue()));
-    app_config->set("label_clr_modified", str);
-    app_config->save();
-}
-
-void GUI_App::set_label_clr_sys(const wxColour& clr)
-{
-    if (m_color_label_sys == clr)
-        return;
-    m_color_label_sys = clr;
-    const std::string str = encode_color(ColorRGB(clr.Red(), clr.Green(), clr.Blue()));
-    app_config->set("label_clr_sys", str);
-    app_config->save();
-}
-
-const std::string& GUI_App::get_mode_btn_color(int mode_id)
-{
-    assert(0 <= mode_id && size_t(mode_id) < m_mode_palette.size());
-    return m_mode_palette[mode_id];
-}
-
-std::vector<wxColour> GUI_App::get_mode_palette()
-{
-    return { wxColor(m_mode_palette[0]),
-             wxColor(m_mode_palette[1]),
-             wxColor(m_mode_palette[2]) };
-}
-
-void GUI_App::set_mode_palette(const std::vector<wxColour>& palette)
-{
-    bool save = false;
-
-    for (size_t mode = 0; mode < palette.size(); ++mode) {
-        const wxColour& clr = palette[mode];
-        std::string color_str = clr == wxTransparentColour ? std::string("") : encode_color(ColorRGB(clr.Red(), clr.Green(), clr.Blue()));
-        if (m_mode_palette[mode] != color_str) {
-            m_mode_palette[mode] = color_str;
-            save = true;
-        }
-    }
-
-    if (save) {
-        mainframe->update_mode_markers();
-        app_config->set("mode_palette", escape_strings_cstyle(m_mode_palette));
-        app_config->save();
-    }
-}
-
-bool GUI_App::tabs_as_menu() const
-{
-    return app_config->get("tabs_as_menu") == "1"; // || dark_mode();
-}
-
-wxSize GUI_App::get_min_size() const
-{
-    return wxSize(76*m_em_unit, 49 * m_em_unit);
-}
-
-float GUI_App::toolbar_icon_scale(const bool is_limited/* = false*/) const
-{
-#ifdef __APPLE__
-    const float icon_sc = 1.0f; // for Retina display will be used its own scale
-#else
-    const float icon_sc = m_em_unit*0.1f;
-#endif // __APPLE__
-
-    const std::string& use_val  = app_config->get("use_custom_toolbar_size");
-    const std::string& val      = app_config->get("custom_toolbar_size");
-    const std::string& auto_val = app_config->get("auto_toolbar_size");
-
-    if (val.empty() || auto_val.empty() || use_val.empty())
-        return icon_sc;
-
-    int int_val = use_val == "0" ? 100 : atoi(val.c_str());
-    // correct value in respect to auto_toolbar_size
-    int_val = std::min(atoi(auto_val.c_str()), int_val);
-
-    if (is_limited && int_val < 50)
-        int_val = 50;
-
-    return 0.01f * int_val * icon_sc;
-}
-
-void GUI_App::set_auto_toolbar_icon_scale(float scale) const
-{
-#ifdef __APPLE__
-    const float icon_sc = 1.0f; // for Retina display will be used its own scale
-#else
-    const float icon_sc = m_em_unit * 0.1f;
-#endif // __APPLE__
-
-    long int_val = std::min(int(std::lround(scale / icon_sc * 100)), 100);
-    std::string val = std::to_string(int_val);
-
-    app_config->set("auto_toolbar_size", val);
-}
-
-// check user printer_presets for the containing information about "Print Host upload"
-void GUI_App::check_printer_presets()
-{
-    std::vector<std::string> preset_names = PhysicalPrinter::presets_with_print_host_information(preset_bundle->printers);
-    if (preset_names.empty())
-        return;
-
-    wxString msg_text =  _L("You have the following presets with saved options for \"Print Host upload\"") + ":";
-    for (const std::string& preset_name : preset_names)
-        msg_text += "\n    \"" + from_u8(preset_name) + "\",";
-    msg_text.RemoveLast();
-    msg_text += "\n\n" + _L("But since this version of PrusaSlicer we don't show this information in Printer Settings anymore.\n"
-                            "Settings will be available in physical printers settings.") + "\n\n" +
-                         _L("By default new Printer devices will be named as \"Printer N\" during its creation.\n"
-                            "Note: This name can be changed later from the physical printers settings");
-
-    //wxMessageDialog(nullptr, msg_text, _L("Information"), wxOK | wxICON_INFORMATION).ShowModal();
-    MessageDialog(nullptr, msg_text, _L("Information"), wxOK | wxICON_INFORMATION).ShowModal();
-
-    preset_bundle->physical_printers.load_printers_from_presets(preset_bundle->printers);
-}
-
-void GUI_App::recreate_GUI(const wxString& msg_name)
-{
-    m_is_recreating_gui = true;
-
-    mainframe->shutdown();
-
-    wxProgressDialog dlg(msg_name, msg_name, 100, nullptr, wxPD_AUTO_HIDE);
-    dlg.Pulse();
-    dlg.Update(10, _L("Recreating") + dots);
-
-    MainFrame *old_main_frame = mainframe;
-    mainframe = new MainFrame();
-    if (is_editor())
-        // hide settings tabs after first Layout
-        mainframe->select_tab(size_t(0));
-    // Propagate model objects to object list.
-    sidebar().obj_list()->init_objects();
-    SetTopWindow(mainframe);
-
-    dlg.Update(30, _L("Recreating") + dots);
-    old_main_frame->Destroy();
-
-    dlg.Update(80, _L("Loading of current presets") + dots);
-    m_printhost_job_queue.reset(new PrintHostJobQueue(mainframe->printhost_queue_dlg()));
-    load_current_presets();
-    mainframe->Show(true);
-
-    dlg.Update(90, _L("Loading of a mode view") + dots);
-
-    obj_list()->set_min_height();
-    update_mode();
-
-    // #ys_FIXME_delete_after_testing  Do we still need this  ?
-//     CallAfter([]() {
-//         // Run the config wizard, don't offer the "reset user profile" checkbox.
-//         config_wizard_startup(true);
-//     });
-
-    m_is_recreating_gui = false;
-}
-
-void GUI_App::system_info()
-{
-    SysInfoDialog dlg;
-    dlg.ShowModal();
-}
-
-void GUI_App::keyboard_shortcuts()
-{
-    KBShortcutsDialog dlg;
-    dlg.ShowModal();
-}
-
-// static method accepting a wxWindow object as first parameter
-bool GUI_App::catch_error(std::function<void()> cb,
-    //                       wxMessageDialog* message_dialog,
-    const std::string& err /*= ""*/)
-{
-    if (!err.empty()) {
-        if (cb)
-            cb();
-        //         if (message_dialog)
-        //             message_dialog->(err, "Error", wxOK | wxICON_ERROR);
-        show_error(/*this*/nullptr, err);
-        return true;
-    }
-    return false;
-}
-
-// static method accepting a wxWindow object as first parameter
-void fatal_error(wxWindow* parent)
-{
-    show_error(parent, "");
-    //     exit 1; // #ys_FIXME
-}
-
-#ifdef _WIN32
-
-#ifdef _MSW_DARK_MODE
-static void update_scrolls(wxWindow* window)
-{
-    wxWindowList::compatibility_iterator node = window->GetChildren().GetFirst();
-    while (node)
-    {
-        wxWindow* win = node->GetData();
-        if (dynamic_cast<wxScrollHelper*>(win) ||
-            dynamic_cast<wxTreeCtrl*>(win) ||
-            dynamic_cast<wxTextCtrl*>(win))
-            NppDarkMode::SetDarkExplorerTheme(win->GetHWND());
-
-        update_scrolls(win);
-        node = node->GetNext();
-    }
-}
-#endif //_MSW_DARK_MODE
-
-
-#ifdef _MSW_DARK_MODE
-void GUI_App::force_menu_update()
-{
-    NppDarkMode::SetSystemMenuForApp(app_config->get("sys_menu_enabled") == "1");
-}
-#endif //_MSW_DARK_MODE
-
-void GUI_App::force_colors_update()
-{
-#ifdef _MSW_DARK_MODE
-    NppDarkMode::SetDarkMode(app_config->get("dark_color_mode") == "1");
-    if (WXHWND wxHWND = wxToolTip::GetToolTipCtrl())
-        NppDarkMode::SetDarkExplorerTheme((HWND)wxHWND);
-    NppDarkMode::SetDarkTitleBar(mainframe->GetHWND());
-    NppDarkMode::SetDarkTitleBar(mainframe->m_settings_dialog.GetHWND());
-#endif //_MSW_DARK_MODE
-    m_force_colors_update = true;
-}
-#endif //_WIN32
-
-// Called after the Preferences dialog is closed and the program settings are saved.
-// Update the UI based on the current preferences.
-void GUI_App::update_ui_from_settings()
-{
-    update_label_colours();
-#ifdef _WIN32
-    // Upadte UI colors before Update UI from settings
-    if (m_force_colors_update) {
-        m_force_colors_update = false;
-        mainframe->force_color_changed();
-        mainframe->diff_dialog.force_color_changed();
-        mainframe->preferences_dialog->force_color_changed();
-        mainframe->printhost_queue_dlg()->force_color_changed();
-#ifdef _MSW_DARK_MODE
-        update_scrolls(mainframe);
-        if (mainframe->is_dlg_layout()) {
-            // update for tabs bar
-            UpdateDarkUI(&mainframe->m_settings_dialog);
-            mainframe->m_settings_dialog.Fit();
-            mainframe->m_settings_dialog.Refresh();
-            // update scrollbars
-            update_scrolls(&mainframe->m_settings_dialog);
-        }
-#endif //_MSW_DARK_MODE
-    }
-#endif
-    mainframe->update_ui_from_settings();
-}
-
-void GUI_App::persist_window_geometry(wxTopLevelWindow *window, bool default_maximized)
-{
-    const std::string name = into_u8(window->GetName());
-
-    window->Bind(wxEVT_CLOSE_WINDOW, [=](wxCloseEvent &event) {
-        window_pos_save(window, name);
-        event.Skip();
-    });
-
-    window_pos_restore(window, name, default_maximized);
-
-    on_window_geometry(window, [=]() {
-        window_pos_sanitize(window);
-    });
-}
-
-void GUI_App::load_project(wxWindow *parent, wxString& input_file) const
-{
-    input_file.Clear();
-    wxFileDialog dialog(parent ? parent : GetTopWindow(),
-        _L("Choose one file (3MF/AMF):"),
-        app_config->get_last_dir(), "",
-        file_wildcards(FT_PROJECT), wxFD_OPEN | wxFD_FILE_MUST_EXIST);
-
-    if (dialog.ShowModal() == wxID_OK)
-        input_file = dialog.GetPath();
-}
-
-void GUI_App::import_model(wxWindow *parent, wxArrayString& input_files) const
-{
-    input_files.Clear();
-    wxFileDialog dialog(parent ? parent : GetTopWindow(),
-        _L("Choose one or more files (STL/3MF/STEP/OBJ/AMF/PRUSA):"),
-        from_u8(app_config->get_last_dir()), "",
-        file_wildcards(FT_MODEL), wxFD_OPEN | wxFD_MULTIPLE | wxFD_FILE_MUST_EXIST);
-
-    if (dialog.ShowModal() == wxID_OK)
-        dialog.GetPaths(input_files);
-}
-
-void GUI_App::load_gcode(wxWindow* parent, wxString& input_file) const
-{
-    input_file.Clear();
-    wxFileDialog dialog(parent ? parent : GetTopWindow(),
-        _L("Choose one file (GCODE/.GCO/.G/.ngc/NGC):"),
-        app_config->get_last_dir(), "",
-        file_wildcards(FT_GCODE), wxFD_OPEN | wxFD_FILE_MUST_EXIST);
-
-    if (dialog.ShowModal() == wxID_OK)
-        input_file = dialog.GetPath();
-}
-
-bool GUI_App::switch_language()
-{
-    if (select_language()) {
-        recreate_GUI(_L("Changing of an application language") + dots);
-        return true;
-    } else {
-        return false;
-    }
-}
-
-#ifdef __linux__
-static const wxLanguageInfo* linux_get_existing_locale_language(const wxLanguageInfo* language,
-                                                                const wxLanguageInfo* system_language)
-{
-    constexpr size_t max_len = 50;
-    char path[max_len] = "";
-    std::vector<std::string> locales;
-    const std::string lang_prefix = into_u8(language->CanonicalName.BeforeFirst('_'));
-
-    // Call locale -a so we can parse the output to get the list of available locales
-    // We expect lines such as "en_US.utf8". Pick ones starting with the language code
-    // we are switching to. Lines with different formatting will be removed later.
-    FILE* fp = popen("locale -a", "r");
-    if (fp != NULL) {
-        while (fgets(path, max_len, fp) != NULL) {
-            std::string line(path);
-            line = line.substr(0, line.find('\n'));
-            if (boost::starts_with(line, lang_prefix))
-                locales.push_back(line);
-        }
-        pclose(fp);
-    }
-
-    // locales now contain all candidates for this language.
-    // Sort them so ones containing anything about UTF-8 are at the end.
-    std::sort(locales.begin(), locales.end(), [](const std::string& a, const std::string& b)
-    {
-        auto has_utf8 = [](const std::string & s) {
-            auto S = boost::to_upper_copy(s);
-            return S.find("UTF8") != std::string::npos || S.find("UTF-8") != std::string::npos;
-        };
-        return ! has_utf8(a) && has_utf8(b);
-    });
-
-    // Remove the suffix behind a dot, if there is one.
-    for (std::string& s : locales)
-        s = s.substr(0, s.find("."));
-
-    // We just hope that dear Linux "locale -a" returns country codes
-    // in ISO 3166-1 alpha-2 code (two letter) format.
-    // https://en.wikipedia.org/wiki/List_of_ISO_3166_country_codes
-    // To be sure, remove anything not looking as expected
-    // (any number of lowercase letters, underscore, two uppercase letters).
-    locales.erase(std::remove_if(locales.begin(),
-                                 locales.end(),
-                                 [](const std::string& s) {
-                                     return ! std::regex_match(s,
-                                         std::regex("^[a-z]+_[A-Z]{2}$"));
-                                 }),
-                   locales.end());
-
-    if (system_language) {
-        // Is there a candidate matching a country code of a system language? Move it to the end,
-        // while maintaining the order of matches, so that the best match ends up at the very end.
-        std::string system_country = "_" + into_u8(system_language->CanonicalName.AfterFirst('_')).substr(0, 2);
-        int cnt = locales.size();
-        for (int i = 0; i < cnt; ++i)
-            if (locales[i].find(system_country) != std::string::npos) {
-                locales.emplace_back(std::move(locales[i]));
-                locales[i].clear();
-            }
-    }
-
-    // Now try them one by one.
-    for (auto it = locales.rbegin(); it != locales.rend(); ++ it)
-        if (! it->empty()) {
-            const std::string &locale = *it;
-            const wxLanguageInfo* lang = wxLocale::FindLanguageInfo(from_u8(locale));
-            if (wxLocale::IsAvailable(lang->Language))
-                return lang;
-        }
-    return language;
-}
-#endif
-
-int GUI_App::GetSingleChoiceIndex(const wxString& message,
-                                const wxString& caption,
-                                const wxArrayString& choices,
-                                int initialSelection)
-{
-#ifdef _WIN32
-    wxSingleChoiceDialog dialog(nullptr, message, caption, choices);
-    wxGetApp().UpdateDlgDarkUI(&dialog);
-
-    dialog.SetSelection(initialSelection);
-    return dialog.ShowModal() == wxID_OK ? dialog.GetSelection() : -1;
-#else
-    return wxGetSingleChoiceIndex(message, caption, choices, initialSelection);
-#endif
-}
-
-// select language from the list of installed languages
-bool GUI_App::select_language()
-{
-	wxArrayString translations = wxTranslations::Get()->GetAvailableTranslations(SLIC3R_APP_KEY);
-    std::vector<const wxLanguageInfo*> language_infos;
-    language_infos.emplace_back(wxLocale::GetLanguageInfo(wxLANGUAGE_ENGLISH));
-    for (size_t i = 0; i < translations.GetCount(); ++ i) {
-	    const wxLanguageInfo *langinfo = wxLocale::FindLanguageInfo(translations[i]);
-        if (langinfo != nullptr)
-            language_infos.emplace_back(langinfo);
-    }
-    sort_remove_duplicates(language_infos);
-	std::sort(language_infos.begin(), language_infos.end(), [](const wxLanguageInfo* l, const wxLanguageInfo* r) { return l->Description < r->Description; });
-
-    wxArrayString names;
-    names.Alloc(language_infos.size());
-
-    // Some valid language should be selected since the application start up.
-    const wxLanguage current_language = wxLanguage(m_wxLocale->GetLanguage());
-    int 		     init_selection   		= -1;
-    int 			 init_selection_alt     = -1;
-    int 			 init_selection_default = -1;
-    for (size_t i = 0; i < language_infos.size(); ++ i) {
-        if (wxLanguage(language_infos[i]->Language) == current_language)
-        	// The dictionary matches the active language and country.
-            init_selection = i;
-        else if ((language_infos[i]->CanonicalName.BeforeFirst('_') == m_wxLocale->GetCanonicalName().BeforeFirst('_')) ||
-        		 // if the active language is Slovak, mark the Czech language as active.
-        	     (language_infos[i]->CanonicalName.BeforeFirst('_') == "cs" && m_wxLocale->GetCanonicalName().BeforeFirst('_') == "sk"))
-        	// The dictionary matches the active language, it does not necessarily match the country.
-        	init_selection_alt = i;
-        if (language_infos[i]->CanonicalName.BeforeFirst('_') == "en")
-        	// This will be the default selection if the active language does not match any dictionary.
-        	init_selection_default = i;
-        names.Add(language_infos[i]->Description);
-    }
-    if (init_selection == -1)
-    	// This is the dictionary matching the active language.
-    	init_selection = init_selection_alt;
-    if (init_selection != -1)
-    	// This is the language to highlight in the choice dialog initially.
-    	init_selection_default = init_selection;
-
-    const long index = GetSingleChoiceIndex(_L("Select the language"), _L("Language"), names, init_selection_default);
-	// Try to load a new language.
-    if (index != -1 && (init_selection == -1 || init_selection != index)) {
-    	const wxLanguageInfo *new_language_info = language_infos[index];
-    	if (this->load_language(new_language_info->CanonicalName, false)) {
-			// Save language at application config.
-            // Which language to save as the selected dictionary language?
-            // 1) Hopefully the language set to wxTranslations by this->load_language(), but that API is weird and we don't want to rely on its
-            //    stability in the future:
-            //    wxTranslations::Get()->GetBestTranslation(SLIC3R_APP_KEY, wxLANGUAGE_ENGLISH);
-            // 2) Current locale language may not match the dictionary name, see GH issue #3901
-            //    m_wxLocale->GetCanonicalName()
-            // 3) new_language_info->CanonicalName is a safe bet. It points to a valid dictionary name.
-			app_config->set("translation_language", new_language_info->CanonicalName.ToUTF8().data());            
-			app_config->save();
-    		return true;
-    	}
-    }
-
-    return false;
-}
-
-// Load gettext translation files and activate them at the start of the application,
-// based on the "translation_language" key stored in the application config.
-bool GUI_App::load_language(wxString language, bool initial)
-{
-    if (initial) {
-    	// There is a static list of lookup path prefixes in wxWidgets. Add ours.
-	    wxFileTranslationsLoader::AddCatalogLookupPathPrefix(from_u8(localization_dir()));
-    	// Get the active language from PrusaSlicer.ini, or empty string if the key does not exist.
-        language = app_config->get("translation_language");
-        if (! language.empty())
-        	BOOST_LOG_TRIVIAL(trace) << boost::format("translation_language provided by PrusaSlicer.ini: %1%") % language;
-
-        // Get the system language.
-        {
-	        const wxLanguage lang_system = wxLanguage(wxLocale::GetSystemLanguage());
-	        if (lang_system != wxLANGUAGE_UNKNOWN) {
-				m_language_info_system = wxLocale::GetLanguageInfo(lang_system);
-	        	BOOST_LOG_TRIVIAL(trace) << boost::format("System language detected (user locales and such): %1%") % m_language_info_system->CanonicalName.ToUTF8().data();
-	        }
-		}
-        {
-	    	// Allocating a temporary locale will switch the default wxTranslations to its internal wxTranslations instance.
-	    	wxLocale temp_locale;
-#ifdef __WXOSX__
-            // ysFIXME - temporary workaround till it isn't fixed in wxWidgets:
-            // Use English as an initial language, because of under OSX it try to load "inappropriate" language for wxLANGUAGE_DEFAULT.
-            // For example in our case it's trying to load "en_CZ" and as a result PrusaSlicer catch warning message.
-            // But wxWidgets guys work on it.
-            temp_locale.Init(wxLANGUAGE_ENGLISH);
-#else
-            temp_locale.Init();
-#endif // __WXOSX__
-	    	// Set the current translation's language to default, otherwise GetBestTranslation() may not work (see the wxWidgets source code).
-	    	wxTranslations::Get()->SetLanguage(wxLANGUAGE_DEFAULT);
-	    	// Let the wxFileTranslationsLoader enumerate all translation dictionaries for PrusaSlicer
-	    	// and try to match them with the system specific "preferred languages". 
-	    	// There seems to be a support for that on Windows and OSX, while on Linuxes the code just returns wxLocale::GetSystemLanguage().
-	    	// The last parameter gets added to the list of detected dictionaries. This is a workaround 
-	    	// for not having the English dictionary. Let's hope wxWidgets of various versions process this call the same way.
-			wxString best_language = wxTranslations::Get()->GetBestTranslation(SLIC3R_APP_KEY, wxLANGUAGE_ENGLISH);
-			if (! best_language.IsEmpty()) {
-				m_language_info_best = wxLocale::FindLanguageInfo(best_language);
-	        	BOOST_LOG_TRIVIAL(trace) << boost::format("Best translation language detected (may be different from user locales): %1%") % m_language_info_best->CanonicalName.ToUTF8().data();
-			}
-            #ifdef __linux__
-            wxString lc_all;
-            if (wxGetEnv("LC_ALL", &lc_all) && ! lc_all.IsEmpty()) {
-                // Best language returned by wxWidgets on Linux apparently does not respect LC_ALL.
-                // Disregard the "best" suggestion in case LC_ALL is provided.
-                m_language_info_best = nullptr;
-            }
-            #endif
-		}
-    }
-
-	const wxLanguageInfo *language_info = language.empty() ? nullptr : wxLocale::FindLanguageInfo(language);
-	if (! language.empty() && (language_info == nullptr || language_info->CanonicalName.empty())) {
-		// Fix for wxWidgets issue, where the FindLanguageInfo() returns locales with undefined ANSII code (wxLANGUAGE_KONKANI or wxLANGUAGE_MANIPURI).
-		language_info = nullptr;
-    	BOOST_LOG_TRIVIAL(error) << boost::format("Language code \"%1%\" is not supported") % language.ToUTF8().data();
-	}
-
-	if (language_info != nullptr && language_info->LayoutDirection == wxLayout_RightToLeft) {
-    	BOOST_LOG_TRIVIAL(trace) << boost::format("The following language code requires right to left layout, which is not supported by PrusaSlicer: %1%") % language_info->CanonicalName.ToUTF8().data();
-		language_info = nullptr;
-	}
-
-    if (language_info == nullptr) {
-        // PrusaSlicer does not support the Right to Left languages yet.
-        if (m_language_info_system != nullptr && m_language_info_system->LayoutDirection != wxLayout_RightToLeft)
-            language_info = m_language_info_system;
-        if (m_language_info_best != nullptr && m_language_info_best->LayoutDirection != wxLayout_RightToLeft)
-        	language_info = m_language_info_best;
-	    if (language_info == nullptr)
-			language_info = wxLocale::GetLanguageInfo(wxLANGUAGE_ENGLISH_US);
-    }
-
-	BOOST_LOG_TRIVIAL(trace) << boost::format("Switching wxLocales to %1%") % language_info->CanonicalName.ToUTF8().data();
-
-    // Alternate language code.
-    wxLanguage language_dict = wxLanguage(language_info->Language);
-    if (language_info->CanonicalName.BeforeFirst('_') == "sk") {
-    	// Slovaks understand Czech well. Give them the Czech translation.
-    	language_dict = wxLANGUAGE_CZECH;
-		BOOST_LOG_TRIVIAL(trace) << "Using Czech dictionaries for Slovak language";
-    }
-
-    // Select language for locales. This language may be different from the language of the dictionary.
-    if (language_info == m_language_info_best || language_info == m_language_info_system) {
-        // The current language matches user's default profile exactly. That's great.
-    } else if (m_language_info_best != nullptr && language_info->CanonicalName.BeforeFirst('_') == m_language_info_best->CanonicalName.BeforeFirst('_')) {
-        // Use whatever the operating system recommends, if it the language code of the dictionary matches the recommended language.
-        // This allows a Swiss guy to use a German dictionary without forcing him to German locales.
-        language_info = m_language_info_best;
-    } else if (m_language_info_system != nullptr && language_info->CanonicalName.BeforeFirst('_') == m_language_info_system->CanonicalName.BeforeFirst('_'))
-        language_info = m_language_info_system;
-
-#ifdef __linux__
-    // If we can't find this locale , try to use different one for the language
-    // instead of just reporting that it is impossible to switch.
-    if (! wxLocale::IsAvailable(language_info->Language)) {
-        std::string original_lang = into_u8(language_info->CanonicalName);
-        language_info = linux_get_existing_locale_language(language_info, m_language_info_system);
-        BOOST_LOG_TRIVIAL(trace) << boost::format("Can't switch language to %1% (missing locales). Using %2% instead.")
-                                    % original_lang % language_info->CanonicalName.ToUTF8().data();
-    }
-#endif
-
-    if (! wxLocale::IsAvailable(language_info->Language)) {
-    	// Loading the language dictionary failed.
-    	wxString message = "Switching PrusaSlicer to language " + language_info->CanonicalName + " failed.";
-#if !defined(_WIN32) && !defined(__APPLE__)
-        // likely some linux system
-        message += "\nYou may need to reconfigure the missing locales, likely by running the \"locale-gen\" and \"dpkg-reconfigure locales\" commands.\n";
-#endif
-        if (initial)
-        	message + "\n\nApplication will close.";
-        wxMessageBox(message, "PrusaSlicer - Switching language failed", wxOK | wxICON_ERROR);
-        if (initial)
-			std::exit(EXIT_FAILURE);
-		else
-			return false;
-    }
-
-    // Release the old locales, create new locales.
-    //FIXME wxWidgets cause havoc if the current locale is deleted. We just forget it causing memory leaks for now.
-    m_wxLocale.release();
-    m_wxLocale = Slic3r::make_unique<wxLocale>();
-    m_wxLocale->Init(language_info->Language);
-    // Override language at the active wxTranslations class (which is stored in the active m_wxLocale)
-    // to load possibly different dictionary, for example, load Czech dictionary for Slovak language.
-    wxTranslations::Get()->SetLanguage(language_dict);
-    {
-        // UKR Localization specific workaround till the wxWidgets doesn't fixed:
-        // From wxWidgets 3.1.6 calls setlocation(0, wxInfoLanguage->LocaleTag), see (https://github.com/prusa3d/wxWidgets/commit/deef116a09748796711d1e3509965ee208dcdf0b#diff-7de25e9a71c4dce61bbf76492c589623d5b93fd1bb105ceaf0662075d15f4472),
-        // where LocaleTag is a Tag of locale in BCP 47 - like notation.
-        // For Ukrainian Language LocaleTag == "uk".
-        // But setlocale(0, "uk") returns "English_United Kingdom.1252" instead of "uk",
-        // and, as a result, locales are set to English_United Kingdom        
-         
-        if (language_info->CanonicalName == "uk")
-            setlocale(0, language_info->GetCanonicalWithRegion().data());
-    }
-    m_wxLocale->AddCatalog(SLIC3R_APP_KEY);
-    m_imgui->set_language(into_u8(language_info->CanonicalName));
-    //FIXME This is a temporary workaround, the correct solution is to switch to "C" locale during file import / export only.
-    //wxSetlocale(LC_NUMERIC, "C");
-    Preset::update_suffix_modified((" (" + _L("modified") + ")").ToUTF8().data());
-	return true;
-}
-
-Tab* GUI_App::get_tab(Preset::Type type)
-{
-    for (Tab* tab: tabs_list)
-        if (tab->type() == type)
-            return tab->completed() ? tab : nullptr; // To avoid actions with no-completed Tab
-    return nullptr;
-}
-
-ConfigOptionMode GUI_App::get_mode()
-{
-    if (!app_config->has("view_mode"))
-        return comSimple;
-
-    const auto mode = app_config->get("view_mode");
-    return mode == "expert" ? comExpert : 
-           mode == "simple" ? comSimple : comAdvanced;
-}
-
-void GUI_App::save_mode(const /*ConfigOptionMode*/int mode) 
-{
-    const std::string mode_str = mode == comExpert ? "expert" :
-                                 mode == comSimple ? "simple" : "advanced";
-    app_config->set("view_mode", mode_str);
-    app_config->save(); 
-    update_mode();
-}
-
-// Update view mode according to selected menu
-void GUI_App::update_mode()
-{
-    sidebar().update_mode();
-
-#ifdef _WIN32 //_MSW_DARK_MODE
-    if (!wxGetApp().tabs_as_menu())
-        dynamic_cast<Notebook*>(mainframe->m_tabpanel)->UpdateMode();
-#endif
-
-    for (auto tab : tabs_list)
-        tab->update_mode();
-
-    plater()->update_menus();
-    plater()->canvas3D()->update_gizmos_on_off_state();
-}
-
-void GUI_App::add_config_menu(wxMenuBar *menu)
-{
-    auto local_menu = new wxMenu();
-    wxWindowID config_id_base = wxWindow::NewControlId(int(ConfigMenuCnt));
-
-    const auto config_wizard_name = _(ConfigWizard::name(true));
-    const auto config_wizard_tooltip = from_u8((boost::format(_utf8(L("Run %s"))) % config_wizard_name).str());
-    // Cmd+, is standard on OS X - what about other operating systems?
-    if (is_editor()) {
-        local_menu->Append(config_id_base + ConfigMenuWizard, config_wizard_name + dots, config_wizard_tooltip);
-        local_menu->Append(config_id_base + ConfigMenuSnapshots, _L("&Configuration Snapshots") + dots, _L("Inspect / activate configuration snapshots"));
-        local_menu->Append(config_id_base + ConfigMenuTakeSnapshot, _L("Take Configuration &Snapshot"), _L("Capture a configuration snapshot"));
-        local_menu->Append(config_id_base + ConfigMenuUpdateConf, _L("Check for Configuration Updates"), _L("Check for configuration updates"));
-        local_menu->Append(config_id_base + ConfigMenuUpdateApp, _L("Check for Application Updates"), _L("Check for new version of application"));
-#if defined(__linux__) && defined(SLIC3R_DESKTOP_INTEGRATION) 
-        //if (DesktopIntegrationDialog::integration_possible())
-        local_menu->Append(config_id_base + ConfigMenuDesktopIntegration, _L("Desktop Integration"), _L("Desktop Integration"));    
-#endif //(__linux__) && defined(SLIC3R_DESKTOP_INTEGRATION)        
-        local_menu->AppendSeparator();
-    }
-    local_menu->Append(config_id_base + ConfigMenuPreferences, _L("&Preferences") + dots +
-#ifdef __APPLE__
-        "\tCtrl+,",
-#else
-        "\tCtrl+P",
-#endif
-        _L("Application preferences"));
-    wxMenu* mode_menu = nullptr;
-    if (is_editor()) {
-        local_menu->AppendSeparator();
-        mode_menu = new wxMenu();
-        mode_menu->AppendRadioItem(config_id_base + ConfigMenuModeSimple, _L("Simple"), _L("Simple View Mode"));
-//    mode_menu->AppendRadioItem(config_id_base + ConfigMenuModeAdvanced, _L("Advanced"), _L("Advanced View Mode"));
-        mode_menu->AppendRadioItem(config_id_base + ConfigMenuModeAdvanced, _CTX(L_CONTEXT("Advanced", "Mode"), "Mode"), _L("Advanced View Mode"));
-        mode_menu->AppendRadioItem(config_id_base + ConfigMenuModeExpert, _L("Expert"), _L("Expert View Mode"));
-        Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { if (get_mode() == comSimple) evt.Check(true); }, config_id_base + ConfigMenuModeSimple);
-        Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { if (get_mode() == comAdvanced) evt.Check(true); }, config_id_base + ConfigMenuModeAdvanced);
-        Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { if (get_mode() == comExpert) evt.Check(true); }, config_id_base + ConfigMenuModeExpert);
-
-        local_menu->AppendSubMenu(mode_menu, _L("Mode"), wxString::Format(_L("%s View Mode"), SLIC3R_APP_NAME));
-    }
-    local_menu->AppendSeparator();
-    local_menu->Append(config_id_base + ConfigMenuLanguage, _L("&Language"));
-    if (is_editor()) {
-        local_menu->AppendSeparator();
-        local_menu->Append(config_id_base + ConfigMenuFlashFirmware, _L("Flash Printer &Firmware"), _L("Upload a firmware image into an Arduino based printer"));
-        // TODO: for when we're able to flash dictionaries
-        // local_menu->Append(config_id_base + FirmwareMenuDict,  _L("Flash Language File"),    _L("Upload a language dictionary file into a Prusa printer"));
-    }
-
-    local_menu->Bind(wxEVT_MENU, [this, config_id_base](wxEvent &event) {
-        switch (event.GetId() - config_id_base) {
-        case ConfigMenuWizard:
-            run_wizard(ConfigWizard::RR_USER);
-            break;
-		case ConfigMenuUpdateConf:
-			check_updates(true);
-			break;
-        case ConfigMenuUpdateApp:
-            app_version_check(true);
-            break;
-#ifdef __linux__
-        case ConfigMenuDesktopIntegration:
-            show_desktop_integration_dialog();
-            break;
-#endif
-        case ConfigMenuTakeSnapshot:
-            // Take a configuration snapshot.
-            if (wxString action_name = _L("Taking a configuration snapshot");
-                check_and_save_current_preset_changes(action_name, _L("Some presets are modified and the unsaved changes will not be captured by the configuration snapshot."), false, true)) {
-                wxTextEntryDialog dlg(nullptr, action_name, _L("Snapshot name"));
-                UpdateDlgDarkUI(&dlg);
-                
-                // set current normal font for dialog children, 
-                // because of just dlg.SetFont(normal_font()) has no result;
-                for (auto child : dlg.GetChildren())
-                    child->SetFont(normal_font());
-
-                if (dlg.ShowModal() == wxID_OK)
-                    if (const Config::Snapshot *snapshot = Config::take_config_snapshot_report_error(
-                            *app_config, Config::Snapshot::SNAPSHOT_USER, dlg.GetValue().ToUTF8().data());
-                        snapshot != nullptr)
-                        app_config->set("on_snapshot", snapshot->id);
-            }
-            break;
-        case ConfigMenuSnapshots:
-            if (check_and_save_current_preset_changes(_L("Loading a configuration snapshot"), "", false)) {
-                std::string on_snapshot;
-                if (Config::SnapshotDB::singleton().is_on_snapshot(*app_config))
-                    on_snapshot = app_config->get("on_snapshot");
-                ConfigSnapshotDialog dlg(Slic3r::GUI::Config::SnapshotDB::singleton(), on_snapshot);
-                dlg.ShowModal();
-                if (!dlg.snapshot_to_activate().empty()) {
-                    if (! Config::SnapshotDB::singleton().is_on_snapshot(*app_config) && 
-                        ! Config::take_config_snapshot_cancel_on_error(*app_config, Config::Snapshot::SNAPSHOT_BEFORE_ROLLBACK, "",
-                                GUI::format(_L("Continue to activate a configuration snapshot %1%?"), dlg.snapshot_to_activate())))
-                        break;
-                    try {
-                        app_config->set("on_snapshot", Config::SnapshotDB::singleton().restore_snapshot(dlg.snapshot_to_activate(), *app_config).id);
-                        // Enable substitutions, log both user and system substitutions. There should not be any substitutions performed when loading system
-                        // presets because compatibility of profiles shall be verified using the min_slic3r_version keys in config index, but users
-                        // are known to be creative and mess with the config files in various ways.
-                        if (PresetsConfigSubstitutions all_substitutions = preset_bundle->load_presets(*app_config, ForwardCompatibilitySubstitutionRule::Enable);
-                            ! all_substitutions.empty())
-                            show_substitutions_info(all_substitutions);
-
-                        // Load the currently selected preset into the GUI, update the preset selection box.
-                        load_current_presets();
-                    } catch (std::exception &ex) {
-                        GUI::show_error(nullptr, _L("Failed to activate configuration snapshot.") + "\n" + into_u8(ex.what()));
-                    }
-                }
-            }
-            break;
-        case ConfigMenuPreferences:
-        {
-            open_preferences();
-            break;
-        }
-        case ConfigMenuLanguage:
-        {
-            /* Before change application language, let's check unsaved changes on 3D-Scene
-             * and draw user's attention to the application restarting after a language change
-             */
-            {
-                // the dialog needs to be destroyed before the call to switch_language()
-                // or sometimes the application crashes into wxDialogBase() destructor
-                // so we put it into an inner scope
-                wxString title = is_editor() ? wxString(SLIC3R_APP_NAME) : wxString(GCODEVIEWER_APP_NAME);
-                title += " - " + _L("Language selection");
-                //wxMessageDialog dialog(nullptr,
-                MessageDialog dialog(nullptr,
-                    _L("Switching the language will trigger application restart.\n"
-                        "You will lose content of the plater.") + "\n\n" +
-                    _L("Do you want to proceed?"),
-                    title,
-                    wxICON_QUESTION | wxOK | wxCANCEL);
-                if (dialog.ShowModal() == wxID_CANCEL)
-                    return;
-            }
-
-            switch_language();
-            break;
-        }
-        case ConfigMenuFlashFirmware:
-            FirmwareDialog::run(mainframe);
-            break;
-        default:
-            break;
-        }
-    });
-    
-    using std::placeholders::_1;
-
-    if (mode_menu != nullptr) {
-        auto modfn = [this](int mode, wxCommandEvent&) { if (get_mode() != mode) save_mode(mode); };
-        mode_menu->Bind(wxEVT_MENU, std::bind(modfn, comSimple, _1), config_id_base + ConfigMenuModeSimple);
-        mode_menu->Bind(wxEVT_MENU, std::bind(modfn, comAdvanced, _1), config_id_base + ConfigMenuModeAdvanced);
-        mode_menu->Bind(wxEVT_MENU, std::bind(modfn, comExpert, _1), config_id_base + ConfigMenuModeExpert);
-    }
-
-    menu->Append(local_menu, _L("&Configuration"));
-}
-
-void GUI_App::open_preferences(const std::string& highlight_option /*= std::string()*/, const std::string& tab_name/*= std::string()*/)
-{
-    mainframe->preferences_dialog->show(highlight_option, tab_name);
-
-    if (mainframe->preferences_dialog->recreate_GUI())
-        recreate_GUI(_L("Restart application") + dots);
-
-#if ENABLE_GCODE_LINES_ID_IN_H_SLIDER
-    if (dlg.seq_top_layer_only_changed() || dlg.seq_seq_top_gcode_indices_changed())
-#else
-    if (mainframe->preferences_dialog->seq_top_layer_only_changed())
-#endif // ENABLE_GCODE_LINES_ID_IN_H_SLIDER
-        this->plater_->refresh_print();
-
-#ifdef _WIN32
-    if (is_editor()) {
-        if (app_config->get("associate_3mf") == "1")
-            associate_3mf_files();
-        if (app_config->get("associate_stl") == "1")
-            associate_stl_files();
-    }
-    else {
-        if (app_config->get("associate_gcode") == "1")
-            associate_gcode_files();
-    }
-#endif // _WIN32
-
-    if (mainframe->preferences_dialog->settings_layout_changed()) {
-        // hide full main_sizer for mainFrame
-        mainframe->GetSizer()->Show(false);
-        mainframe->update_layout();
-        mainframe->select_tab(size_t(0));
-    }
-}
-
-bool GUI_App::has_unsaved_preset_changes() const
-{
-    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
-    for (const Tab* const tab : tabs_list) {
-        if (tab->supports_printer_technology(printer_technology) && tab->saved_preset_is_dirty())
-            return true;
-    }
-    return false;
-}
-
-bool GUI_App::has_current_preset_changes() const
-{
-    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
-    for (const Tab* const tab : tabs_list) {
-        if (tab->supports_printer_technology(printer_technology) && tab->current_preset_is_dirty())
-            return true;
-    }
-    return false;
-}
-
-void GUI_App::update_saved_preset_from_current_preset()
-{
-    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
-    for (Tab* tab : tabs_list) {
-        if (tab->supports_printer_technology(printer_technology))
-            tab->update_saved_preset_from_current_preset();
-    }
-}
-
-std::vector<const PresetCollection*> GUI_App::get_active_preset_collections() const
-{
-    std::vector<const PresetCollection*> ret;
-    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
-    for (const Tab* tab : tabs_list)
-        if (tab->supports_printer_technology(printer_technology))
-            ret.push_back(tab->get_presets());
-    return ret;
-}
-
-// To notify the user whether he is aware that some preset changes will be lost,
-// UnsavedChangesDialog: "Discard / Save / Cancel"
-// This is called when:
-// - Close Application & Current project isn't saved
-// - Load Project      & Current project isn't saved
-// - Undo / Redo with change of print technologie
-// - Loading snapshot
-// - Loading config_file/bundle
-// UnsavedChangesDialog: "Don't save / Save / Cancel"
-// This is called when:
-// - Exporting config_bundle
-// - Taking snapshot
-bool GUI_App::check_and_save_current_preset_changes(const wxString& caption, const wxString& header, bool remember_choice/* = true*/, bool dont_save_insted_of_discard/* = false*/)
-{
-    if (has_current_preset_changes()) {
-        const std::string app_config_key = remember_choice ? "default_action_on_close_application" : "";
-        int act_buttons = ActionButtons::SAVE;
-        if (dont_save_insted_of_discard)
-            act_buttons |= ActionButtons::DONT_SAVE;
-        UnsavedChangesDialog dlg(caption, header, app_config_key, act_buttons);
-        std::string act = app_config_key.empty() ? "none" : wxGetApp().app_config->get(app_config_key);
-        if (act == "none" && dlg.ShowModal() == wxID_CANCEL)
-            return false;
-
-        if (dlg.save_preset())  // save selected changes
-        {
-            for (const std::pair<std::string, Preset::Type>& nt : dlg.get_names_and_types())
-                preset_bundle->save_changes_for_preset(nt.first, nt.second, dlg.get_unselected_options(nt.second));
-
-            load_current_presets(false);
-
-            // if we saved changes to the new presets, we should to 
-            // synchronize config.ini with the current selections.
-            preset_bundle->export_selections(*app_config);
-
-            MessageDialog(nullptr, dlg.msg_success_saved_modifications(dlg.get_names_and_types().size())).ShowModal();
-        }
-    }
-
-    return true;
-}
-
-void GUI_App::apply_keeped_preset_modifications()
-{
-    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
-    for (Tab* tab : tabs_list) {
-        if (tab->supports_printer_technology(printer_technology))
-            tab->apply_config_from_cache();
-    }
-    load_current_presets(false);
-}
-
-// This is called when creating new project or load another project
-// OR close ConfigWizard
-// to ask the user what should we do with unsaved changes for presets.
-// New Project          => Current project is saved    => UnsavedChangesDialog: "Keep / Discard / Cancel"
-//                      => Current project isn't saved => UnsavedChangesDialog: "Keep / Discard / Save / Cancel"
-// Close ConfigWizard   => Current project is saved    => UnsavedChangesDialog: "Keep / Discard / Save / Cancel"
-// Note: no_nullptr postponed_apply_of_keeped_changes indicates that thie function is called after ConfigWizard is closed
-bool GUI_App::check_and_keep_current_preset_changes(const wxString& caption, const wxString& header, int action_buttons, bool* postponed_apply_of_keeped_changes/* = nullptr*/)
-{
-    if (has_current_preset_changes()) {
-        bool is_called_from_configwizard = postponed_apply_of_keeped_changes != nullptr;
-
-        const std::string app_config_key = is_called_from_configwizard ? "" : "default_action_on_new_project";
-        UnsavedChangesDialog dlg(caption, header, app_config_key, action_buttons);
-        std::string act = app_config_key.empty() ? "none" : wxGetApp().app_config->get(app_config_key);
-        if (act == "none" && dlg.ShowModal() == wxID_CANCEL)
-            return false;
-
-        auto reset_modifications = [this, is_called_from_configwizard]() {
-            if (is_called_from_configwizard)
-                return; // no need to discared changes. It will be done fromConfigWizard closing
-
-            PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
-            for (const Tab* const tab : tabs_list) {
-                if (tab->supports_printer_technology(printer_technology) && tab->current_preset_is_dirty())
-                    tab->m_presets->discard_current_changes();
-            }
-            load_current_presets(false);
-        };
-
-        if (dlg.discard())
-            reset_modifications();
-        else  // save selected changes
-        {
-            const auto& preset_names_and_types = dlg.get_names_and_types();
-            if (dlg.save_preset()) {
-                for (const std::pair<std::string, Preset::Type>& nt : preset_names_and_types)
-                    preset_bundle->save_changes_for_preset(nt.first, nt.second, dlg.get_unselected_options(nt.second));
-
-                // if we saved changes to the new presets, we should to 
-                // synchronize config.ini with the current selections.
-                preset_bundle->export_selections(*app_config);
-
-                wxString text = dlg.msg_success_saved_modifications(preset_names_and_types.size());
-                if (!is_called_from_configwizard)
-                    text += "\n\n" + _L("For new project all modifications will be reseted");
-
-                MessageDialog(nullptr, text).ShowModal();
-                reset_modifications();
-            }
-            else if (dlg.transfer_changes() && (dlg.has_unselected_options() || is_called_from_configwizard)) {
-                // execute this part of code only if not all modifications are keeping to the new project 
-                // OR this function is called when ConfigWizard is closed and "Keep modifications" is selected
-                for (const std::pair<std::string, Preset::Type>& nt : preset_names_and_types) {
-                    Preset::Type type = nt.second;
-                    Tab* tab = get_tab(type);
-                    std::vector<std::string> selected_options = dlg.get_selected_options(type);
-                    if (type == Preset::TYPE_PRINTER) {
-                        auto it = std::find(selected_options.begin(), selected_options.end(), "extruders_count");
-                        if (it != selected_options.end()) {
-                            // erase "extruders_count" option from the list
-                            selected_options.erase(it);
-                            // cache the extruders count
-                            static_cast<TabPrinter*>(tab)->cache_extruder_cnt();
-                        }
-                    }
-                    tab->cache_config_diff(selected_options);
-                    if (!is_called_from_configwizard)
-                        tab->m_presets->discard_current_changes();
-                }
-                if (is_called_from_configwizard)
-                    *postponed_apply_of_keeped_changes = true;
-                else
-                    apply_keeped_preset_modifications();
-            }
-        }
-    }
-
-    return true;
-}
-
-bool GUI_App::can_load_project()
-{
-    int saved_project = plater()->save_project_if_dirty(_L("Loading a new project while the current project is modified."));
-    if (saved_project == wxID_CANCEL ||
-        (plater()->is_project_dirty() && saved_project == wxID_NO && 
-         !check_and_save_current_preset_changes(_L("Project is loading"), _L("Opening new project while some presets are unsaved."))))
-        return false;
-    return true;
-}
-
-bool GUI_App::check_print_host_queue()
-{
-    wxString dirty;
-    std::vector<std::pair<std::string, std::string>> jobs;
-    // Get ongoing jobs from dialog
-    mainframe->m_printhost_queue_dlg->get_active_jobs(jobs);
-    if (jobs.empty())
-        return true;
-    // Show dialog
-    wxString job_string = wxString();
-    for (const auto& job : jobs) {
-        job_string += format_wxstr("   %1% : %2% \n", job.first, job.second);
-    }
-    wxString message;
-    message += _(L("The uploads are still ongoing")) + ":\n\n" + job_string +"\n" + _(L("Stop them and continue anyway?"));
-    //wxMessageDialog dialog(mainframe,
-    MessageDialog dialog(mainframe,
-        message,
-        wxString(SLIC3R_APP_NAME) + " - " + _(L("Ongoing uploads")),
-        wxICON_QUESTION | wxYES_NO | wxNO_DEFAULT);
-    if (dialog.ShowModal() == wxID_YES)
-        return true;
-
-    // TODO: If already shown, bring forward
-    mainframe->m_printhost_queue_dlg->Show();
-    return false;
-}
-
-bool GUI_App::checked_tab(Tab* tab)
-{
-    bool ret = true;
-    if (find(tabs_list.begin(), tabs_list.end(), tab) == tabs_list.end())
-        ret = false;
-    return ret;
-}
-
-// Update UI / Tabs to reflect changes in the currently loaded presets
-void GUI_App::load_current_presets(bool check_printer_presets_ /*= true*/)
-{
-    // check printer_presets for the containing information about "Print Host upload"
-    // and create physical printer from it, if any exists
-    if (check_printer_presets_)
-        check_printer_presets();
-
-    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
-	this->plater()->set_printer_technology(printer_technology);
-    for (Tab *tab : tabs_list)
-		if (tab->supports_printer_technology(printer_technology)) {
-			if (tab->type() == Preset::TYPE_PRINTER) {
-				static_cast<TabPrinter*>(tab)->update_pages();
-				// Mark the plater to update print bed by tab->load_current_preset() from Plater::on_config_change().
-				this->plater()->force_print_bed_update();
-			}
-			tab->load_current_preset();
-		}
-}
-
-bool GUI_App::OnExceptionInMainLoop()
-{
-    generic_exception_handle();
-    return false;
-}
-
-#ifdef __APPLE__
-// This callback is called from wxEntry()->wxApp::CallOnInit()->NSApplication run
-// that is, before GUI_App::OnInit(), so we have a chance to switch GUI_App
-// to a G-code viewer.
-void GUI_App::OSXStoreOpenFiles(const wxArrayString &fileNames)
-{
-    size_t num_gcodes = 0;
-    for (const wxString &filename : fileNames)
-        if (is_gcode_file(into_u8(filename)))
-            ++ num_gcodes;
-    if (fileNames.size() == num_gcodes) {
-        // Opening PrusaSlicer by drag & dropping a G-Code onto PrusaSlicer icon in Finder,
-        // just G-codes were passed. Switch to G-code viewer mode.
-        m_app_mode = EAppMode::GCodeViewer;
-        unlock_lockfile(get_instance_hash_string() + ".lock", data_dir() + "/cache/");
-        if(app_config != nullptr)
-            delete app_config;
-        app_config = nullptr;
-        init_app_config();
-    }
-    wxApp::OSXStoreOpenFiles(fileNames);
-}
-// wxWidgets override to get an event on open files.
-void GUI_App::MacOpenFiles(const wxArrayString &fileNames)
-{
-    std::vector<std::string> files;
-    std::vector<wxString>    gcode_files;
-    std::vector<wxString>    non_gcode_files;
-    for (const auto& filename : fileNames) {
-        if (is_gcode_file(into_u8(filename)))
-            gcode_files.emplace_back(filename);
-        else {
-            files.emplace_back(into_u8(filename));
-            non_gcode_files.emplace_back(filename);
-        }
-    }
-    if (m_app_mode == EAppMode::GCodeViewer) {
-        // Running in G-code viewer.
-        // Load the first G-code into the G-code viewer.
-        // Or if no G-codes, send other files to slicer. 
-        if (! gcode_files.empty()) {
-            if (m_post_initialized)
-                this->plater()->load_gcode(gcode_files.front());
-            else
-                this->init_params->input_files = { into_u8(gcode_files.front()) };
-        }
-        if (!non_gcode_files.empty()) 
-            start_new_slicer(non_gcode_files, true);
-    } else {
-        if (! files.empty()) {
-            if (m_post_initialized) {
-                wxArrayString input_files;
-                for (size_t i = 0; i < non_gcode_files.size(); ++i)
-                    input_files.push_back(non_gcode_files[i]);
-                this->plater()->load_files(input_files);
-            } else {
-                for (const auto &f : non_gcode_files)
-                    this->init_params->input_files.emplace_back(into_u8(f));
-            }
-        }
-        for (const wxString &filename : gcode_files)
-            start_new_gcodeviewer(&filename);
-    }
-}
-
-void GUI_App::MacOpenURL(const wxString& url)
-{
-    if (app_config && app_config->get("downloader_url_registered") != "1")
-    {
-        BOOST_LOG_TRIVIAL(error) << "Recieved command to open URL, but it is not allowed in app configuration. URL: " << url;
-        return;
-    }
-    start_download(boost::nowide::narrow(url));
-}
-
-#endif /* __APPLE */
-
-Sidebar& GUI_App::sidebar()
-{
-    return plater_->sidebar();
-}
-
-ObjectManipulation* GUI_App::obj_manipul()
-{
-    // If this method is called before plater_ has been initialized, return nullptr (to avoid a crash)
-    return (plater_ != nullptr) ? sidebar().obj_manipul() : nullptr;
-}
-
-ObjectSettings* GUI_App::obj_settings()
-{
-    return sidebar().obj_settings();
-}
-
-ObjectList* GUI_App::obj_list()
-{
-    return sidebar().obj_list();
-}
-
-ObjectLayers* GUI_App::obj_layers()
-{
-    return sidebar().obj_layers();
-}
-
-Plater* GUI_App::plater()
-{
-    return plater_;
-}
-
-const Plater* GUI_App::plater() const
-{
-    return plater_;
-}
-
-Model& GUI_App::model()
-{
-    return plater_->model();
-}
-wxBookCtrlBase* GUI_App::tab_panel() const
-{
-    return mainframe->m_tabpanel;
-}
-
-NotificationManager* GUI_App::notification_manager()
-{
-    return plater_->get_notification_manager();
-}
-
-GalleryDialog* GUI_App::gallery_dialog()
-{
-    return mainframe->gallery_dialog();
-}
-
-Downloader* GUI_App::downloader()
-{
-    return m_downloader.get();
-}
-
-// extruders count from selected printer preset
-int GUI_App::extruders_cnt() const
-{
-    const Preset& preset = preset_bundle->printers.get_selected_preset();
-    return preset.printer_technology() == ptSLA ? 1 :
-           preset.config.option<ConfigOptionFloats>("nozzle_diameter")->values.size();
-}
-
-// extruders count from edited printer preset
-int GUI_App::extruders_edited_cnt() const
-{
-    const Preset& preset = preset_bundle->printers.get_edited_preset();
-    return preset.printer_technology() == ptSLA ? 1 :
-           preset.config.option<ConfigOptionFloats>("nozzle_diameter")->values.size();
-}
-
-wxString GUI_App::current_language_code_safe() const
-{
-	// Translate the language code to a code, for which Prusa Research maintains translations.
-	const std::map<wxString, wxString> mapping {
-		{ "cs", 	"cs_CZ", },
-		{ "sk", 	"cs_CZ", },
-		{ "de", 	"de_DE", },
-		{ "es", 	"es_ES", },
-		{ "fr", 	"fr_FR", },
-		{ "it", 	"it_IT", },
-		{ "ja", 	"ja_JP", },
-		{ "ko", 	"ko_KR", },
-		{ "pl", 	"pl_PL", },
-		{ "uk", 	"uk_UA", },
-		{ "zh", 	"zh_CN", },
-		{ "ru", 	"ru_RU", },
-	};
-	wxString language_code = this->current_language_code().BeforeFirst('_');
-	auto it = mapping.find(language_code);
-	if (it != mapping.end())
-		language_code = it->second;
-	else
-		language_code = "en_US";
-	return language_code;
-}
-
-void GUI_App::open_web_page_localized(const std::string &http_address)
-{
-    open_browser_with_warning_dialog(http_address + "&lng=" + this->current_language_code_safe(), nullptr, false);
-}
-
-// If we are switching from the FFF-preset to the SLA, we should to control the printed objects if they have a part(s).
-// Because of we can't to print the multi-part objects with SLA technology.
-bool GUI_App::may_switch_to_SLA_preset(const wxString& caption)
-{
-    if (model_has_multi_part_objects(model())) {
-        show_info(nullptr,
-            _L("It's impossible to print multi-part object(s) with SLA technology.") + "\n\n" +
-            _L("Please check your object list before preset changing."),
-            caption);
-        return false;
-    }
-    if (model_has_connectors(model())) {
-        show_info(nullptr,
-            _L("SLA technology doesn't support cut with connectors") + "\n\n" +
-            _L("Please check your object list before preset changing."),
-            caption);
-        return false;
-    }
-    return true;
-}
-
-bool GUI_App::run_wizard(ConfigWizard::RunReason reason, ConfigWizard::StartPage start_page)
-{
-    wxCHECK_MSG(mainframe != nullptr, false, "Internal error: Main frame not created / null");
-
-    if (reason == ConfigWizard::RR_USER) {
-        // Cancel sync before starting wizard to prevent two downloads at same time
-        preset_updater->cancel_sync();
-        if (preset_updater->config_update(app_config->orig_version(), PresetUpdater::UpdateParams::FORCED_BEFORE_WIZARD) == PresetUpdater::R_ALL_CANCELED)
-            return false;
-    }
-
-    auto wizard = new ConfigWizard(mainframe);
-    const bool res = wizard->run(reason, start_page);
-
-    if (res) {
-        load_current_presets();
-
-        // #ysFIXME - delete after testing: This part of code looks redundant. All checks are inside ConfigWizard::priv::apply_config() 
-        if (preset_bundle->printers.get_edited_preset().printer_technology() == ptSLA)
-            may_switch_to_SLA_preset(_L("Configuration is editing from ConfigWizard"));
-    }
-
-    return res;
-}
-
-void GUI_App::show_desktop_integration_dialog()
-{
-#ifdef __linux__
-    //wxCHECK_MSG(mainframe != nullptr, false, "Internal error: Main frame not created / null");
-    DesktopIntegrationDialog dialog(mainframe);
-    dialog.ShowModal();
-#endif //__linux__
-}
-
-#if ENABLE_THUMBNAIL_GENERATOR_DEBUG
-void GUI_App::gcode_thumbnails_debug()
-{
-    const std::string BEGIN_MASK = "; thumbnail begin";
-    const std::string END_MASK = "; thumbnail end";
-    std::string gcode_line;
-    bool reading_image = false;
-    unsigned int width = 0;
-    unsigned int height = 0;
-
-    wxFileDialog dialog(GetTopWindow(), _L("Select a gcode file:"), "", "", "G-code files (*.gcode)|*.gcode;*.GCODE;", wxFD_OPEN | wxFD_FILE_MUST_EXIST);
-    if (dialog.ShowModal() != wxID_OK)
-        return;
-
-    std::string in_filename = into_u8(dialog.GetPath());
-    std::string out_path = boost::filesystem::path(in_filename).remove_filename().append(L"thumbnail").string();
-
-    boost::nowide::ifstream in_file(in_filename.c_str());
-    std::vector<std::string> rows;
-    std::string row;
-    if (in_file.good())
-    {
-        while (std::getline(in_file, gcode_line))
-        {
-            if (in_file.good())
-            {
-                if (boost::starts_with(gcode_line, BEGIN_MASK))
-                {
-                    reading_image = true;
-                    gcode_line = gcode_line.substr(BEGIN_MASK.length() + 1);
-                    std::string::size_type x_pos = gcode_line.find('x');
-                    std::string width_str = gcode_line.substr(0, x_pos);
-                    width = (unsigned int)::atoi(width_str.c_str());
-                    std::string height_str = gcode_line.substr(x_pos + 1);
-                    height = (unsigned int)::atoi(height_str.c_str());
-                    row.clear();
-                }
-                else if (reading_image && boost::starts_with(gcode_line, END_MASK))
-                {
-                    std::string out_filename = out_path + std::to_string(width) + "x" + std::to_string(height) + ".png";
-                    boost::nowide::ofstream out_file(out_filename.c_str(), std::ios::binary);
-                    if (out_file.good())
-                    {
-                        std::string decoded;
-                        decoded.resize(boost::beast::detail::base64::decoded_size(row.size()));
-                        decoded.resize(boost::beast::detail::base64::decode((void*)&decoded[0], row.data(), row.size()).first);
-
-                        out_file.write(decoded.c_str(), decoded.size());
-                        out_file.close();
-                    }
-
-                    reading_image = false;
-                    width = 0;
-                    height = 0;
-                    rows.clear();
-                }
-                else if (reading_image)
-                    row += gcode_line.substr(2);
-            }
-        }
-
-        in_file.close();
-    }
-}
-#endif // ENABLE_THUMBNAIL_GENERATOR_DEBUG
-
-void GUI_App::window_pos_save(wxTopLevelWindow* window, const std::string &name)
-{
-    if (name.empty()) { return; }
-    const auto config_key = (boost::format("window_%1%") % name).str();
-
-    WindowMetrics metrics = WindowMetrics::from_window(window);
-    app_config->set(config_key, metrics.serialize());
-    app_config->save();
-}
-
-void GUI_App::window_pos_restore(wxTopLevelWindow* window, const std::string &name, bool default_maximized)
-{
-    if (name.empty()) { return; }
-    const auto config_key = (boost::format("window_%1%") % name).str();
-
-    if (! app_config->has(config_key)) {
-        window->Maximize(default_maximized);
-        return;
-    }
-
-    auto metrics = WindowMetrics::deserialize(app_config->get(config_key));
-    if (! metrics) {
-        window->Maximize(default_maximized);
-        return;
-    }
-
-    const wxRect& rect = metrics->get_rect();
-
-    if (app_config->get("restore_win_position") == "1") {
-        // workaround for crash related to the positioning of the window on secondary monitor
-        app_config->set("restore_win_position", (boost::format("crashed_at_%1%_pos") % name).str());
-        app_config->save();
-        window->SetPosition(rect.GetPosition());
-
-        // workaround for crash related to the positioning of the window on secondary monitor
-        app_config->set("restore_win_position", (boost::format("crashed_at_%1%_size") % name).str());
-        app_config->save();
-        window->SetSize(rect.GetSize());
-
-        // revert "restore_win_position" value if application wasn't crashed
-        app_config->set("restore_win_position", "1");
-        app_config->save();
-    }
-    else
-        window->CenterOnScreen();
-
-    window->Maximize(metrics->get_maximized());
-}
-
-void GUI_App::window_pos_sanitize(wxTopLevelWindow* window)
-{
-    /*unsigned*/int display_idx = wxDisplay::GetFromWindow(window);
-    wxRect display;
-    if (display_idx == wxNOT_FOUND) {
-        display = wxDisplay(0u).GetClientArea();
-        window->Move(display.GetTopLeft());
-    } else {
-        display = wxDisplay(display_idx).GetClientArea();
-    }
-
-    auto metrics = WindowMetrics::from_window(window);
-    metrics.sanitize_for_display(display);
-    if (window->GetScreenRect() != metrics.get_rect()) {
-        window->SetSize(metrics.get_rect());
-    }
-}
-
-bool GUI_App::config_wizard_startup()
-{
-    if (!m_app_conf_exists || preset_bundle->printers.only_default_printers()) {
-        run_wizard(ConfigWizard::RR_DATA_EMPTY);
-        return true;
-    } else if (get_app_config()->legacy_datadir()) {
-        // Looks like user has legacy pre-vendorbundle data directory,
-        // explain what this is and run the wizard
-
-        MsgDataLegacy dlg;
-        dlg.ShowModal();
-
-        run_wizard(ConfigWizard::RR_DATA_LEGACY);
-        return true;
-    }
-    return false;
-}
-
-bool GUI_App::check_updates(const bool verbose)
-{	
-	PresetUpdater::UpdateResult updater_result;
-	try {
-		updater_result = preset_updater->config_update(app_config->orig_version(), verbose ? PresetUpdater::UpdateParams::SHOW_TEXT_BOX : PresetUpdater::UpdateParams::SHOW_NOTIFICATION);
-		if (updater_result == PresetUpdater::R_INCOMPAT_EXIT) {
-			mainframe->Close();
-            // Applicaiton is closing.
-            return false;
-		}
-		else if (updater_result == PresetUpdater::R_INCOMPAT_CONFIGURED) {
-            m_app_conf_exists = true;
-		}
-		else if (verbose && updater_result == PresetUpdater::R_NOOP) {
-			MsgNoUpdates dlg;
-			dlg.ShowModal();
-		}
-	}
-	catch (const std::exception & ex) {
-		show_error(nullptr, ex.what());
-	}
-    // Applicaiton will continue.
-    return true;
-}
-
-bool GUI_App::open_browser_with_warning_dialog(const wxString& url, wxWindow* parent/* = nullptr*/, bool force_remember_choice /*= true*/, int flags/* = 0*/)
-{
-    bool launch = true;
-
-    // warning dialog containes a "Remember my choice" checkbox
-    std::string option_key = "suppress_hyperlinks";
-    if (force_remember_choice || app_config->get(option_key).empty()) {
-        if (app_config->get(option_key).empty()) {
-            RichMessageDialog dialog(parent, _L("Open hyperlink in default browser?"), _L("PrusaSlicer: Open hyperlink"), wxICON_QUESTION | wxYES_NO);
-            dialog.ShowCheckBox(_L("Remember my choice"));
-            auto answer = dialog.ShowModal();
-            launch = answer == wxID_YES;
-            if (dialog.IsCheckBoxChecked()) {
-                wxString preferences_item = _L("Suppress to open hyperlink in browser");
-                wxString msg =
-                    _L("PrusaSlicer will remember your choice.") + "\n\n" +
-                    _L("You will not be asked about it again on hyperlinks hovering.") + "\n\n" +
-                    format_wxstr(_L("Visit \"Preferences\" and check \"%1%\"\nto changes your choice."), preferences_item);
-
-                MessageDialog msg_dlg(parent, msg, _L("PrusaSlicer: Don't ask me again"), wxOK | wxCANCEL | wxICON_INFORMATION);
-                if (msg_dlg.ShowModal() == wxID_CANCEL)
-                    return false;
-                app_config->set(option_key, answer == wxID_NO ? "1" : "0");
-            }
-        }
-        if (launch)
-            launch = app_config->get(option_key) != "1";
-    }
-    // warning dialog doesn't containe a "Remember my choice" checkbox
-    // and will be shown only when "Suppress to open hyperlink in browser" is ON.
-    else if (app_config->get(option_key) == "1") {
-        MessageDialog dialog(parent, _L("Open hyperlink in default browser?"), _L("PrusaSlicer: Open hyperlink"), wxICON_QUESTION | wxYES_NO);
-        launch = dialog.ShowModal() == wxID_YES;
-    }
-
-    return  launch && wxLaunchDefaultBrowser(url, flags);
-}
-
-// static method accepting a wxWindow object as first parameter
-// void warning_catcher{
-//     my($self, $message_dialog) = @_;
-//     return sub{
-//         my $message = shift;
-//         return if $message = ~/ GLUquadricObjPtr | Attempt to free unreferenced scalar / ;
-//         my @params = ($message, 'Warning', wxOK | wxICON_WARNING);
-//         $message_dialog
-//             ? $message_dialog->(@params)
-//             : Wx::MessageDialog->new($self, @params)->ShowModal;
-//     };
-// }
-
-// Do we need this function???
-// void GUI_App::notify(message) {
-//     auto frame = GetTopWindow();
-//     // try harder to attract user attention on OS X
-//     if (!frame->IsActive())
-//         frame->RequestUserAttention(defined(__WXOSX__/*&Wx::wxMAC */)? wxUSER_ATTENTION_ERROR : wxUSER_ATTENTION_INFO);
-// 
-//     // There used to be notifier using a Growl application for OSX, but Growl is dead.
-//     // The notifier also supported the Linux X D - bus notifications, but that support was broken.
-//     //TODO use wxNotificationMessage ?
-// }
-
-
-#ifdef __WXMSW__
-void GUI_App::associate_3mf_files()
-{
-    associate_file_type(L".3mf", L"Prusa.Slicer.1", L"PrusaSlicer", true);
-}
-
-void GUI_App::associate_stl_files()
-{
-    associate_file_type(L".stl", L"Prusa.Slicer.1", L"PrusaSlicer", true);
-}
-
-void GUI_App::associate_gcode_files()
-{
-    associate_file_type(L".gcode", L"PrusaSlicer.GCodeViewer.1", L"PrusaSlicerGCodeViewer", true);
-}
-#endif // __WXMSW__
-
-void GUI_App::on_version_read(wxCommandEvent& evt)
-{
-    app_config->set("version_online", into_u8(evt.GetString()));
-    app_config->save();
-    std::string opt = app_config->get("notify_release");
-    if (this->plater_ == nullptr || (opt != "all" && opt != "release")) {
-        return;
-    }
-    if (*Semver::parse(SLIC3R_VERSION) >= *Semver::parse(into_u8(evt.GetString()))) {
-        return;
-    }
-    // notification
-    /*
-    this->plater_->get_notification_manager()->push_notification(NotificationType::NewAppAvailable
-        , NotificationManager::NotificationLevel::ImportantNotificationLevel
-        , Slic3r::format(_u8L("New release version %1% is available."), evt.GetString())
-        , _u8L("See Download page.")
-        , [](wxEvtHandler* evnthndlr) {wxGetApp().open_web_page_localized("https://www.prusa3d.com/slicerweb"); return true; }
-    );
-    */
-    // updater 
-    // read triggered_by_user that was set when calling  GUI_App::app_version_check
-    app_updater(m_app_updater->get_triggered_by_user());
-}
-
-void GUI_App::app_updater(bool from_user)
-{
-    DownloadAppData app_data = m_app_updater->get_app_data();
-
-    if (from_user && (!app_data.version || *app_data.version <= *Semver::parse(SLIC3R_VERSION)))
-    {
-        BOOST_LOG_TRIVIAL(info) << "There is no newer version online.";
-        MsgNoAppUpdates no_update_dialog;
-        no_update_dialog.ShowModal();
-        return;
-
-    }
-
-    assert(!app_data.url.empty());
-    assert(!app_data.target_path.empty());
-
-    // dialog with new version info
-    AppUpdateAvailableDialog dialog(*Semver::parse(SLIC3R_VERSION), *app_data.version);
-    auto dialog_result = dialog.ShowModal();
-    // checkbox "do not show again"
-    if (dialog.disable_version_check()) {
-        app_config->set("notify_release", "none");
-    }
-    // Doesn't wish to update
-    if (dialog_result != wxID_OK) {
-        return;
-    }
-    // dialog with new version download (installer or app dependent on system) including path selection
-    AppUpdateDownloadDialog dwnld_dlg(*app_data.version, app_data.target_path);
-    dialog_result = dwnld_dlg.ShowModal();
-    //  Doesn't wish to download
-    if (dialog_result != wxID_OK) {
-        return;
-    }
-    app_data.target_path =dwnld_dlg.get_download_path();
-
-    // start download
-    this->plater_->get_notification_manager()->push_download_progress_notification(_utf8("Download"), std::bind(&AppUpdater::cancel_callback, this->m_app_updater.get()));
-    app_data.start_after = dwnld_dlg.run_after_download();
-    m_app_updater->set_app_data(std::move(app_data));
-    m_app_updater->sync_download();
-}
-
-void GUI_App::app_version_check(bool from_user)
-{
-    if (from_user) {
-        if (m_app_updater->get_download_ongoing()) {
-            MessageDialog msgdlg(nullptr, _L("Download of new version is already ongoing. Do you wish to continue?"), _L("Notice"), wxYES_NO);
-            if (msgdlg.ShowModal() != wxID_YES)
-                return;
-        }
-    }
-    std::string version_check_url = app_config->version_check_url();
-    m_app_updater->sync_version(version_check_url, from_user);
-}
-
-void GUI_App::start_download(std::string url)
-{
-    if (!plater_) {
-        BOOST_LOG_TRIVIAL(error) << "Could not start URL download: plater is nullptr.";
-        return; 
-    }
-    //lets always init so if the download dest folder was changed, new dest is used 
-        boost::filesystem::path dest_folder(app_config->get("url_downloader_dest"));
-        if (dest_folder.empty() || !boost::filesystem::is_directory(dest_folder)) {
-            std::string msg = _utf8("Could not start URL download. Destination folder is not set. Please choose destination folder in Configuration Wizard.");
-            BOOST_LOG_TRIVIAL(error) << msg;
-            show_error(nullptr, msg);
-            return;
-        } 
-    m_downloader->init(dest_folder);
-    m_downloader->start_download(url);
-}
-
-} // GUI
-} //Slic3r
+#include "libslic3r/Technologies.hpp"
+#include "GUI_App.hpp"
+#include "GUI_Init.hpp"
+#include "GUI_ObjectList.hpp"
+#include "GUI_ObjectManipulation.hpp"
+#include "GUI_Factories.hpp"
+#include "format.hpp"
+#include "I18N.hpp"
+
+#include <algorithm>
+#include <iterator>
+#include <exception>
+#include <cstdlib>
+#include <regex>
+#include <string_view>
+#include <boost/nowide/fstream.hpp>
+#include <boost/algorithm/string/predicate.hpp>
+#include <boost/algorithm/string.hpp>
+#include <boost/format.hpp>
+#include <boost/lexical_cast.hpp>
+#include <boost/log/trivial.hpp>
+#include <boost/nowide/convert.hpp>
+#include <boost/dll/runtime_symbol_info.hpp>
+
+#include <wx/stdpaths.h>
+#include <wx/imagpng.h>
+#include <wx/display.h>
+#include <wx/menu.h>
+#include <wx/menuitem.h>
+#include <wx/filedlg.h>
+#include <wx/progdlg.h>
+#include <wx/dir.h>
+#include <wx/wupdlock.h>
+#include <wx/filefn.h>
+#include <wx/sysopt.h>
+#include <wx/richmsgdlg.h>
+#include <wx/log.h>
+#include <wx/intl.h>
+
+#include <wx/dialog.h>
+#include <wx/textctrl.h>
+#include <wx/splash.h>
+#include <wx/fontutil.h>
+
+#include "libslic3r/Utils.hpp"
+#include "libslic3r/Model.hpp"
+#include "libslic3r/I18N.hpp"
+#include "libslic3r/PresetBundle.hpp"
+#include "libslic3r/Color.hpp"
+
+#include "GUI.hpp"
+#include "GUI_Utils.hpp"
+#include "3DScene.hpp"
+#include "MainFrame.hpp"
+#include "Plater.hpp"
+#include "GLCanvas3D.hpp"
+
+#include "../Utils/PresetUpdater.hpp"
+#include "../Utils/PrintHost.hpp"
+#include "../Utils/Process.hpp"
+#include "../Utils/MacDarkMode.hpp"
+#include "../Utils/AppUpdater.hpp"
+#include "../Utils/WinRegistry.hpp"
+#include "slic3r/Config/Snapshot.hpp"
+#include "ConfigSnapshotDialog.hpp"
+#include "FirmwareDialog.hpp"
+#include "Preferences.hpp"
+#include "Tab.hpp"
+#include "SysInfoDialog.hpp"
+#include "KBShortcutsDialog.hpp"
+#include "UpdateDialogs.hpp"
+#include "Mouse3DController.hpp"
+#include "RemovableDriveManager.hpp"
+#include "InstanceCheck.hpp"
+#include "NotificationManager.hpp"
+#include "UnsavedChangesDialog.hpp"
+#include "SavePresetDialog.hpp"
+#include "PrintHostDialogs.hpp"
+#include "DesktopIntegrationDialog.hpp"
+#include "SendSystemInfoDialog.hpp"
+#include "Downloader.hpp"
+
+#include "BitmapCache.hpp"
+#include "Notebook.hpp"
+
+#ifdef __WXMSW__
+#include <dbt.h>
+#include <shlobj.h>
+#ifdef _MSW_DARK_MODE
+#include <wx/msw/dark_mode.h>
+#endif // _MSW_DARK_MODE
+#endif
+#ifdef _WIN32
+#include <boost/dll/runtime_symbol_info.hpp>
+#endif
+
+#if ENABLE_THUMBNAIL_GENERATOR_DEBUG
+#include <boost/beast/core/detail/base64.hpp>
+#include <boost/nowide/fstream.hpp>
+#endif // ENABLE_THUMBNAIL_GENERATOR_DEBUG
+
+// Needed for forcing menu icons back under gtk2 and gtk3
+#if defined(__WXGTK20__) || defined(__WXGTK3__)
+    #include <gtk/gtk.h>
+#endif
+
+using namespace std::literals;
+
+namespace Slic3r {
+namespace GUI {
+
+class MainFrame;
+
+class SplashScreen : public wxSplashScreen
+{
+public:
+    SplashScreen(const wxBitmap& bitmap, long splashStyle, int milliseconds, wxPoint pos = wxDefaultPosition)
+        : wxSplashScreen(bitmap, splashStyle, milliseconds, static_cast<wxWindow*>(wxGetApp().mainframe), wxID_ANY, wxDefaultPosition, wxDefaultSize,
+#ifdef __APPLE__
+            wxSIMPLE_BORDER | wxFRAME_NO_TASKBAR | wxSTAY_ON_TOP
+#else
+            wxSIMPLE_BORDER | wxFRAME_NO_TASKBAR
+#endif // !__APPLE__
+        )
+    {
+        wxASSERT(bitmap.IsOk());
+
+//        int init_dpi = get_dpi_for_window(this);
+        this->SetPosition(pos);
+        // The size of the SplashScreen can be hanged after its moving to another display
+        // So, update it from a bitmap size
+        this->SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
+        this->CenterOnScreen();
+//        int new_dpi = get_dpi_for_window(this);
+
+//        m_scale         = (float)(new_dpi) / (float)(init_dpi);
+        m_main_bitmap   = bitmap;
+
+//        scale_bitmap(m_main_bitmap, m_scale);
+
+        // init constant texts and scale fonts
+        init_constant_text();
+
+        // this font will be used for the action string
+        m_action_font = m_constant_text.credits_font.Bold();
+
+        // draw logo and constant info text
+        Decorate(m_main_bitmap);
+    }
+
+    void SetText(const wxString& text)
+    {
+        set_bitmap(m_main_bitmap);
+        if (!text.empty()) {
+            wxBitmap bitmap(m_main_bitmap);
+
+            wxMemoryDC memDC;
+            memDC.SelectObject(bitmap);
+
+            memDC.SetFont(m_action_font);
+            memDC.SetTextForeground(wxColour(237, 107, 33));
+            memDC.DrawText(text, int(m_scale * 60), m_action_line_y_position);
+
+            memDC.SelectObject(wxNullBitmap);
+            set_bitmap(bitmap);
+#ifdef __WXOSX__
+            // without this code splash screen wouldn't be updated under OSX
+            wxYield();
+#endif
+        }
+    }
+
+    static wxBitmap MakeBitmap(wxBitmap bmp)
+    {
+        if (!bmp.IsOk())
+            return wxNullBitmap;
+
+        // create dark grey background for the splashscreen
+        // It will be 5/3 of the weight of the bitmap
+        int width = lround((double)5 / 3 * bmp.GetWidth());
+        int height = bmp.GetHeight();
+
+        wxImage image(width, height);
+        unsigned char* imgdata_ = image.GetData();
+        for (int i = 0; i < width * height; ++i) {
+            *imgdata_++ = 51;
+            *imgdata_++ = 51;
+            *imgdata_++ = 51;
+        }
+
+        wxBitmap new_bmp(image);
+
+        wxMemoryDC memDC;
+        memDC.SelectObject(new_bmp);
+        memDC.DrawBitmap(bmp, width - bmp.GetWidth(), 0, true);
+
+        return new_bmp;
+    }
+
+    void Decorate(wxBitmap& bmp)
+    {
+        if (!bmp.IsOk())
+            return;
+
+        // draw text to the box at the left of the splashscreen.
+        // this box will be 2/5 of the weight of the bitmap, and be at the left.
+        int width = lround(bmp.GetWidth() * 0.4);
+
+        // load bitmap for logo
+        BitmapCache bmp_cache;
+        int logo_size = lround(width * 0.25);
+        wxBitmap logo_bmp = *bmp_cache.load_svg(wxGetApp().logo_name(), logo_size, logo_size);
+
+        wxCoord margin = int(m_scale * 20);
+
+        wxRect banner_rect(wxPoint(0, logo_size), wxPoint(width, bmp.GetHeight()));
+        banner_rect.Deflate(margin, 2 * margin);
+
+        // use a memory DC to draw directly onto the bitmap
+        wxMemoryDC memDc(bmp);
+
+        // draw logo
+        memDc.DrawBitmap(logo_bmp, margin, margin, true);
+
+        // draw the (white) labels inside of our black box (at the left of the splashscreen)
+        memDc.SetTextForeground(wxColour(255, 255, 255));
+
+        memDc.SetFont(m_constant_text.title_font);
+        memDc.DrawLabel(m_constant_text.title,   banner_rect, wxALIGN_TOP | wxALIGN_LEFT);
+
+        int title_height = memDc.GetTextExtent(m_constant_text.title).GetY();
+        banner_rect.SetTop(banner_rect.GetTop() + title_height);
+        banner_rect.SetHeight(banner_rect.GetHeight() - title_height);
+
+        memDc.SetFont(m_constant_text.version_font);
+        memDc.DrawLabel(m_constant_text.version, banner_rect, wxALIGN_TOP | wxALIGN_LEFT);
+        int version_height = memDc.GetTextExtent(m_constant_text.version).GetY();
+
+        memDc.SetFont(m_constant_text.credits_font);
+        memDc.DrawLabel(m_constant_text.credits, banner_rect, wxALIGN_BOTTOM | wxALIGN_LEFT);
+        int credits_height = memDc.GetMultiLineTextExtent(m_constant_text.credits).GetY();
+        int text_height    = memDc.GetTextExtent("text").GetY();
+
+        // calculate position for the dynamic text
+        int logo_and_header_height = margin + logo_size + title_height + version_height;
+        m_action_line_y_position = logo_and_header_height + 0.5 * (bmp.GetHeight() - margin - credits_height - logo_and_header_height - text_height);
+    }
+
+private:
+    wxBitmap    m_main_bitmap;
+    wxFont      m_action_font;
+    int         m_action_line_y_position;
+    float       m_scale {1.0};
+
+    struct ConstantText
+    {
+        wxString title;
+        wxString version;
+        wxString credits;
+
+        wxFont   title_font;
+        wxFont   version_font;
+        wxFont   credits_font;
+
+        void init(wxFont init_font)
+        {
+            // title
+            title = wxGetApp().is_editor() ? SLIC3R_APP_NAME : GCODEVIEWER_APP_NAME;
+
+            // dynamically get the version to display
+            version = _L("Version") + " " + std::string(SLIC3R_VERSION);
+
+            // credits infornation
+            credits = title + " " +
+                _L("is based on Slic3r by Alessandro Ranellucci and the RepRap community.") + "\n" +
+                _L("Developed by Prusa Research.") + "\n\n" +
+                title + " " + _L("is licensed under the") + " " + _L("GNU Affero General Public License, version 3") + ".\n\n" +
+                _L("Contributions by Vojtech Bubnik, Enrico Turri, Oleksandra Iushchenko, Tamas Meszaros, Lukas Matena, Vojtech Kral, David Kocik and numerous others.") + "\n\n" +
+                _L("Artwork model by Creative Tools");
+
+            title_font = version_font = credits_font = init_font;
+        }
+    } 
+    m_constant_text;
+
+    void init_constant_text()
+    {
+        m_constant_text.init(get_default_font(this));
+
+        // As default we use a system font for current display.
+        // Scale fonts in respect to banner width
+
+        int text_banner_width = lround(0.4 * m_main_bitmap.GetWidth()) - roundl(m_scale * 50); // banner_width - margins
+
+        float title_font_scale = (float)text_banner_width / GetTextExtent(m_constant_text.title).GetX();
+        scale_font(m_constant_text.title_font, title_font_scale > 3.5f ? 3.5f : title_font_scale);
+
+        float version_font_scale = (float)text_banner_width / GetTextExtent(m_constant_text.version).GetX();
+        scale_font(m_constant_text.version_font, version_font_scale > 2.f ? 2.f : version_font_scale);
+
+        // The width of the credits information string doesn't respect to the banner width some times.
+        // So, scale credits_font in the respect to the longest string width
+        int   longest_string_width = word_wrap_string(m_constant_text.credits);
+        float font_scale = (float)text_banner_width / longest_string_width;
+        scale_font(m_constant_text.credits_font, font_scale);
+    }
+
+    void set_bitmap(wxBitmap& bmp)
+    {
+        m_window->SetBitmap(bmp);
+        m_window->Refresh();
+        m_window->Update();
+    }
+
+    void scale_bitmap(wxBitmap& bmp, float scale)
+    {
+        if (scale == 1.0)
+            return;
+
+        wxImage image = bmp.ConvertToImage();
+        if (!image.IsOk() || image.GetWidth() == 0 || image.GetHeight() == 0)
+            return;
+
+        int width   = int(scale * image.GetWidth());
+        int height  = int(scale * image.GetHeight());
+        image.Rescale(width, height, wxIMAGE_QUALITY_BILINEAR);
+
+        bmp = wxBitmap(std::move(image));
+    }
+
+    void scale_font(wxFont& font, float scale)
+    {
+#ifdef __WXMSW__
+        // Workaround for the font scaling in respect to the current active display,
+        // not for the primary display, as it's implemented in Font.cpp
+        // See https://github.com/wxWidgets/wxWidgets/blob/master/src/msw/font.cpp
+        // void wxNativeFontInfo::SetFractionalPointSize(float pointSizeNew)
+        wxNativeFontInfo nfi= *font.GetNativeFontInfo();
+        float pointSizeNew  = wxDisplay(this).GetScaleFactor() * scale * font.GetPointSize();
+        nfi.lf.lfHeight     = nfi.GetLogFontHeightAtPPI(pointSizeNew, get_dpi_for_window(this));
+        nfi.pointSize       = pointSizeNew;
+        font = wxFont(nfi);
+#else
+        font.Scale(scale);
+#endif //__WXMSW__
+    }
+
+    // wrap a string for the strings no longer then 55 symbols
+    // return extent of the longest string
+    int word_wrap_string(wxString& input)
+    {
+        size_t line_len = 55;// count of symbols in one line
+        int idx = -1;
+        size_t cur_len = 0;
+
+        wxString longest_sub_string;
+        auto get_longest_sub_string = [input](wxString &longest_sub_str, size_t cur_len, size_t i) {
+            if (cur_len > longest_sub_str.Len())
+                longest_sub_str = input.SubString(i - cur_len + 1, i);
+        };
+
+        for (size_t i = 0; i < input.Len(); i++)
+        {
+            cur_len++;
+            if (input[i] == ' ')
+                idx = i;
+            if (input[i] == '\n')
+            {
+                get_longest_sub_string(longest_sub_string, cur_len, i);
+                idx = -1;
+                cur_len = 0;
+            }
+            if (cur_len >= line_len && idx >= 0)
+            {
+                get_longest_sub_string(longest_sub_string, cur_len, i);
+                input[idx] = '\n';
+                cur_len = i - static_cast<size_t>(idx);
+            }
+        }
+
+        return GetTextExtent(longest_sub_string).GetX();
+    }
+};
+
+
+#ifdef __linux__
+bool static check_old_linux_datadir(const wxString& app_name) {
+    // If we are on Linux and the datadir does not exist yet, look into the old
+    // location where the datadir was before version 2.3. If we find it there,
+    // tell the user that he might wanna migrate to the new location.
+    // (https://github.com/prusa3d/PrusaSlicer/issues/2911)
+    // To be precise, the datadir should exist, it is created when single instance
+    // lock happens. Instead of checking for existence, check the contents.
+
+    namespace fs = boost::filesystem;
+
+    std::string new_path = Slic3r::data_dir();
+
+    wxString dir;
+    if (! wxGetEnv(wxS("XDG_CONFIG_HOME"), &dir) || dir.empty() )
+        dir = wxFileName::GetHomeDir() + wxS("/.config");
+    std::string default_path = (dir + "/" + app_name).ToUTF8().data();
+
+    if (new_path != default_path) {
+        // This happens when the user specifies a custom --datadir.
+        // Do not show anything in that case.
+        return true;
+    }
+
+    fs::path data_dir = fs::path(new_path);
+    if (! fs::is_directory(data_dir))
+        return true; // This should not happen.
+
+    int file_count = std::distance(fs::directory_iterator(data_dir), fs::directory_iterator());
+
+    if (file_count <= 1) { // just cache dir with an instance lock
+        std::string old_path = wxStandardPaths::Get().GetUserDataDir().ToUTF8().data();
+
+        if (fs::is_directory(old_path)) {
+            wxString msg = from_u8((boost::format(_u8L("Starting with %1% 2.3, configuration "
+                "directory on Linux has changed (according to XDG Base Directory Specification) to \n%2%.\n\n"
+                "This directory did not exist yet (maybe you run the new version for the first time).\nHowever, "
+                "an old %1% configuration directory was detected in \n%3%.\n\n"
+                "Consider moving the contents of the old directory to the new location in order to access "
+                "your profiles, etc.\nNote that if you decide to downgrade %1% in future, it will use the old "
+                "location again.\n\n"
+                "What do you want to do now?")) % SLIC3R_APP_NAME % new_path % old_path).str());
+            wxString caption = from_u8((boost::format(_u8L("%s - BREAKING CHANGE")) % SLIC3R_APP_NAME).str());
+            RichMessageDialog dlg(nullptr, msg, caption, wxYES_NO);
+            dlg.SetYesNoLabels(_L("Quit, I will move my data now"), _L("Start the application"));
+            if (dlg.ShowModal() != wxID_NO)
+                return false;
+        }
+    } else {
+        // If the new directory exists, be silent. The user likely already saw the message.
+    }
+    return true;
+}
+#endif
+
+#ifdef _WIN32
+#if 0 // External Updater is replaced with AppUpdater.cpp
+static bool run_updater_win()
+{
+    // find updater exe
+    boost::filesystem::path path_updater = boost::dll::program_location().parent_path() / "prusaslicer-updater.exe";
+    // run updater. Original args: /silent -restartapp prusa-slicer.exe -startappfirst
+    std::string msg;
+    bool res = create_process(path_updater, L"/silent", msg);
+    if (!res)
+        BOOST_LOG_TRIVIAL(error) << msg; 
+    return res;
+}
+#endif // 0
+#endif // _WIN32
+
+struct FileWildcards {
+    std::string_view              title;
+    std::vector<std::string_view> file_extensions;
+};
+
+
+ 
+static const FileWildcards file_wildcards_by_type[FT_SIZE] = {
+    /* FT_STL */     { "STL files"sv,       { ".stl"sv } },
+    /* FT_OBJ */     { "OBJ files"sv,       { ".obj"sv } },
+    /* FT_OBJECT */  { "Object files"sv,    { ".stl"sv, ".obj"sv } },
+    /* FT_STEP */    { "STEP files"sv,      { ".stp"sv, ".step"sv } },    
+    /* FT_AMF */     { "AMF files"sv,       { ".amf"sv, ".zip.amf"sv, ".xml"sv } },
+    /* FT_3MF */     { "3MF files"sv,       { ".3mf"sv } },
+    /* FT_GCODE */   { "G-code files"sv,    { ".gcode"sv, ".gco"sv, ".g"sv, ".ngc"sv } },
+    /* FT_MODEL */   { "Known files"sv,     { ".stl"sv, ".obj"sv, ".3mf"sv, ".amf"sv, ".zip.amf"sv, ".xml"sv, ".step"sv, ".stp"sv } },
+    /* FT_PROJECT */ { "Project files"sv,   { ".3mf"sv, ".amf"sv, ".zip.amf"sv } },
+    /* FT_FONTS */   { "Font files"sv,      { ".ttc"sv, ".ttf"sv } },
+    /* FT_GALLERY */ { "Known files"sv,     { ".stl"sv, ".obj"sv } },
+
+    /* FT_INI */     { "INI files"sv,       { ".ini"sv } },
+    /* FT_SVG */     { "SVG files"sv,       { ".svg"sv } },
+
+    /* FT_TEX */     { "Texture"sv,         { ".png"sv, ".svg"sv } },
+
+    /* FT_SL1 */     { "Masked SLA files"sv, { ".sl1"sv, ".sl1s"sv, ".pwmx"sv } },
+};
+
+#if ENABLE_ALTERNATIVE_FILE_WILDCARDS_GENERATOR
+wxString file_wildcards(FileType file_type)
+{
+    const FileWildcards& data = file_wildcards_by_type[file_type];
+    std::string title;
+    std::string mask;
+
+    // Generate cumulative first item
+    for (const std::string_view& ext : data.file_extensions) {
+        if (title.empty()) {
+            title = "*";
+            title += ext;
+            mask = title;
+        }
+        else {
+            title += ", *";
+            title += ext;
+            mask += ";*";
+            mask += ext;
+        }
+        mask += ";*";
+        mask += boost::to_upper_copy(std::string(ext));
+    }
+
+    wxString ret = GUI::format_wxstr("%s (%s)|%s", data.title, title, mask);
+
+    // Adds an item for each of the extensions
+    if (data.file_extensions.size() > 1) {
+        for (const std::string_view& ext : data.file_extensions) {
+            title = "*";
+            title += ext;
+            ret += GUI::format_wxstr("|%s (%s)|%s", data.title, title, title);
+        }
+    }
+
+    return ret;
+}
+#else
+// This function produces a Win32 file dialog file template mask to be consumed by wxWidgets on all platforms.
+// The function accepts a custom extension parameter. If the parameter is provided, the custom extension
+// will be added as a fist to the list. This is important for a "file save" dialog on OSX, which strips
+// an extension from the provided initial file name and substitutes it with the default extension (the first one in the template).
+wxString file_wildcards(FileType file_type, const std::string &custom_extension)
+{
+    const FileWildcards& data = file_wildcards_by_type[file_type];
+    std::string title;
+    std::string mask;
+    std::string custom_ext_lower;
+
+    if (! custom_extension.empty()) {
+        // Generate an extension into the title mask and into the list of extensions.
+        custom_ext_lower = boost::to_lower_copy(custom_extension);
+        const std::string custom_ext_upper = boost::to_upper_copy(custom_extension);
+        if (custom_ext_lower == custom_extension) {
+            // Add a lower case version.
+            title = std::string("*") + custom_ext_lower;
+            mask = title;
+            // Add an upper case version.
+            mask  += ";*";
+            mask  += custom_ext_upper;
+        } else if (custom_ext_upper == custom_extension) {
+            // Add an upper case version.
+            title = std::string("*") + custom_ext_upper;
+            mask = title;
+            // Add a lower case version.
+            mask += ";*";
+            mask += custom_ext_lower;
+        } else {
+            // Add the mixed case version only.
+            title = std::string("*") + custom_extension;
+            mask = title;
+        }
+    }
+
+    for (const std::string_view &ext : data.file_extensions)
+        // Only add an extension if it was not added first as the custom extension.
+        if (ext != custom_ext_lower) {
+            if (title.empty()) {
+                title = "*";
+                title += ext;
+                mask  = title;
+            } else {
+                title += ", *";
+                title += ext;
+                mask  += ";*";
+                mask  += ext;
+            }
+            mask += ";*";
+            mask += boost::to_upper_copy(std::string(ext));
+        }
+
+    return GUI::format_wxstr("%s (%s)|%s", data.title, title, mask);
+}
+#endif // ENABLE_ALTERNATIVE_FILE_WILDCARDS_GENERATOR
+
+static std::string libslic3r_translate_callback(const char *s) { return wxGetTranslation(wxString(s, wxConvUTF8)).utf8_str().data(); }
+
+#ifdef WIN32
+#if !wxVERSION_EQUAL_OR_GREATER_THAN(3,1,3)
+static void register_win32_dpi_event()
+{
+    enum { WM_DPICHANGED_ = 0x02e0 };
+
+    wxWindow::MSWRegisterMessageHandler(WM_DPICHANGED_, [](wxWindow *win, WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) {
+        const int dpi = wParam & 0xffff;
+        const auto rect = reinterpret_cast<PRECT>(lParam);
+        const wxRect wxrect(wxPoint(rect->top, rect->left), wxPoint(rect->bottom, rect->right));
+
+        DpiChangedEvent evt(EVT_DPI_CHANGED_SLICER, dpi, wxrect);
+        win->GetEventHandler()->AddPendingEvent(evt);
+
+        return true;
+    });
+}
+#endif // !wxVERSION_EQUAL_OR_GREATER_THAN
+
+static GUID GUID_DEVINTERFACE_HID = { 0x4D1E55B2, 0xF16F, 0x11CF, 0x88, 0xCB, 0x00, 0x11, 0x11, 0x00, 0x00, 0x30 };
+
+static void register_win32_device_notification_event()
+{
+    wxWindow::MSWRegisterMessageHandler(WM_DEVICECHANGE, [](wxWindow *win, WXUINT /* nMsg */, WXWPARAM wParam, WXLPARAM lParam) {
+        // Some messages are sent to top level windows by default, some messages are sent to only registered windows, and we explictely register on MainFrame only.
+        auto main_frame = dynamic_cast<MainFrame*>(win);
+        auto plater = (main_frame == nullptr) ? nullptr : main_frame->plater();
+        if (plater == nullptr)
+            // Maybe some other top level window like a dialog or maybe a pop-up menu?
+            return true;
+		PDEV_BROADCAST_HDR lpdb = (PDEV_BROADCAST_HDR)lParam;
+        switch (wParam) {
+        case DBT_DEVICEARRIVAL:
+			if (lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME)
+		        plater->GetEventHandler()->AddPendingEvent(VolumeAttachedEvent(EVT_VOLUME_ATTACHED));
+			else if (lpdb->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE) {
+				PDEV_BROADCAST_DEVICEINTERFACE lpdbi = (PDEV_BROADCAST_DEVICEINTERFACE)lpdb;
+//				if (lpdbi->dbcc_classguid == GUID_DEVINTERFACE_VOLUME) {
+//					printf("DBT_DEVICEARRIVAL %d - Media has arrived: %ws\n", msg_count, lpdbi->dbcc_name);
+				if (lpdbi->dbcc_classguid == GUID_DEVINTERFACE_HID)
+			        plater->GetEventHandler()->AddPendingEvent(HIDDeviceAttachedEvent(EVT_HID_DEVICE_ATTACHED, boost::nowide::narrow(lpdbi->dbcc_name)));
+			}
+            break;
+		case DBT_DEVICEREMOVECOMPLETE:
+			if (lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME)
+                plater->GetEventHandler()->AddPendingEvent(VolumeDetachedEvent(EVT_VOLUME_DETACHED));
+			else if (lpdb->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE) {
+				PDEV_BROADCAST_DEVICEINTERFACE lpdbi = (PDEV_BROADCAST_DEVICEINTERFACE)lpdb;
+//				if (lpdbi->dbcc_classguid == GUID_DEVINTERFACE_VOLUME)
+//					printf("DBT_DEVICEARRIVAL %d - Media was removed: %ws\n", msg_count, lpdbi->dbcc_name);
+				if (lpdbi->dbcc_classguid == GUID_DEVINTERFACE_HID)
+        			plater->GetEventHandler()->AddPendingEvent(HIDDeviceDetachedEvent(EVT_HID_DEVICE_DETACHED, boost::nowide::narrow(lpdbi->dbcc_name)));
+			}
+			break;
+        default:
+            break;
+        }
+        return true;
+    });
+
+    wxWindow::MSWRegisterMessageHandler(MainFrame::WM_USER_MEDIACHANGED, [](wxWindow *win, WXUINT /* nMsg */, WXWPARAM wParam, WXLPARAM lParam) {
+        // Some messages are sent to top level windows by default, some messages are sent to only registered windows, and we explictely register on MainFrame only.
+        auto main_frame = dynamic_cast<MainFrame*>(win);
+        auto plater = (main_frame == nullptr) ? nullptr : main_frame->plater();
+        if (plater == nullptr)
+            // Maybe some other top level window like a dialog or maybe a pop-up menu?
+            return true;
+        wchar_t sPath[MAX_PATH];
+        if (lParam == SHCNE_MEDIAINSERTED || lParam == SHCNE_MEDIAREMOVED) {
+            struct _ITEMIDLIST* pidl = *reinterpret_cast<struct _ITEMIDLIST**>(wParam);
+            if (! SHGetPathFromIDList(pidl, sPath)) {
+                BOOST_LOG_TRIVIAL(error) << "MediaInserted: SHGetPathFromIDList failed";
+                return false;
+            }
+        }
+        switch (lParam) {
+        case SHCNE_MEDIAINSERTED:
+        {
+            //printf("SHCNE_MEDIAINSERTED %S\n", sPath);
+            plater->GetEventHandler()->AddPendingEvent(VolumeAttachedEvent(EVT_VOLUME_ATTACHED));
+            break;
+        }
+        case SHCNE_MEDIAREMOVED:
+        {
+            //printf("SHCNE_MEDIAREMOVED %S\n", sPath);
+            plater->GetEventHandler()->AddPendingEvent(VolumeDetachedEvent(EVT_VOLUME_DETACHED));
+            break;
+        }
+	    default:
+//          printf("Unknown\n");
+            break;
+	    }
+        return true;
+    });
+
+    wxWindow::MSWRegisterMessageHandler(WM_INPUT, [](wxWindow *win, WXUINT /* nMsg */, WXWPARAM wParam, WXLPARAM lParam) {
+        auto main_frame = dynamic_cast<MainFrame*>(Slic3r::GUI::find_toplevel_parent(win));
+        auto plater = (main_frame == nullptr) ? nullptr : main_frame->plater();
+//        if (wParam == RIM_INPUTSINK && plater != nullptr && main_frame->IsActive()) {
+        if (wParam == RIM_INPUT && plater != nullptr && main_frame->IsActive()) {
+        RAWINPUT raw;
+			UINT rawSize = sizeof(RAWINPUT);
+			::GetRawInputData((HRAWINPUT)lParam, RID_INPUT, &raw, &rawSize, sizeof(RAWINPUTHEADER));
+			if (raw.header.dwType == RIM_TYPEHID && plater->get_mouse3d_controller().handle_raw_input_win32(raw.data.hid.bRawData, raw.data.hid.dwSizeHid))
+				return true;
+		}
+        return false;
+    });
+
+	wxWindow::MSWRegisterMessageHandler(WM_COPYDATA, [](wxWindow* win, WXUINT /* nMsg */, WXWPARAM wParam, WXLPARAM lParam) {
+		COPYDATASTRUCT* copy_data_structure = { 0 };
+		copy_data_structure = (COPYDATASTRUCT*)lParam;
+		if (copy_data_structure->dwData == 1) {
+			LPCWSTR arguments = (LPCWSTR)copy_data_structure->lpData;
+			Slic3r::GUI::wxGetApp().other_instance_message_handler()->handle_message(boost::nowide::narrow(arguments));
+		}
+		return true;
+		});
+}
+#endif // WIN32
+
+static void generic_exception_handle()
+{
+    // Note: Some wxWidgets APIs use wxLogError() to report errors, eg. wxImage
+    // - see https://docs.wxwidgets.org/3.1/classwx_image.html#aa249e657259fe6518d68a5208b9043d0
+    //
+    // wxLogError typically goes around exception handling and display an error dialog some time
+    // after an error is logged even if exception handling and OnExceptionInMainLoop() take place.
+    // This is why we use wxLogError() here as well instead of a custom dialog, because it accumulates
+    // errors if multiple have been collected and displays just one error message for all of them.
+    // Otherwise we would get multiple error messages for one missing png, for example.
+    //
+    // If a custom error message window (or some other solution) were to be used, it would be necessary
+    // to turn off wxLogError() usage in wx APIs, most notably in wxImage
+    // - see https://docs.wxwidgets.org/trunk/classwx_image.html#aa32e5d3507cc0f8c3330135bc0befc6a
+
+    try {
+        throw;
+    } catch (const std::bad_alloc& ex) {
+        // bad_alloc in main thread is most likely fatal. Report immediately to the user (wxLogError would be delayed)
+        // and terminate the app so it is at least certain to happen now.
+        wxString errmsg = wxString::Format(_L("%s has encountered an error. It was likely caused by running out of memory. "
+                              "If you are sure you have enough RAM on your system, this may also be a bug and we would "
+                              "be glad if you reported it.\n\nThe application will now terminate."), SLIC3R_APP_NAME);
+        wxMessageBox(errmsg + "\n\n" + wxString(ex.what()), _L("Fatal error"), wxOK | wxICON_ERROR);
+        BOOST_LOG_TRIVIAL(error) << boost::format("std::bad_alloc exception: %1%") % ex.what();
+        std::terminate();
+    } catch (const boost::io::bad_format_string& ex) {
+        wxString errmsg = _L("PrusaSlicer has encountered a localization error. "
+                             "Please report to PrusaSlicer team, what language was active and in which scenario "
+                             "this issue happened. Thank you.\n\nThe application will now terminate.");
+        wxMessageBox(errmsg + "\n\n" + wxString(ex.what()), _L("Critical error"), wxOK | wxICON_ERROR);
+        BOOST_LOG_TRIVIAL(error) << boost::format("Uncaught exception: %1%") % ex.what();
+        std::terminate();
+        throw;
+    } catch (const std::exception& ex) {
+        wxLogError(format_wxstr(_L("Internal error: %1%"), ex.what()));
+        BOOST_LOG_TRIVIAL(error) << boost::format("Uncaught exception: %1%") % ex.what();
+        throw;
+    }
+}
+
+void GUI_App::post_init()
+{
+    assert(initialized());
+    if (! this->initialized())
+        throw Slic3r::RuntimeError("Calling post_init() while not yet initialized");
+
+    if (this->is_gcode_viewer()) {
+        if (! this->init_params->input_files.empty())
+            this->plater()->load_gcode(wxString::FromUTF8(this->init_params->input_files[0].c_str()));
+    }
+    else if (this->init_params->start_downloader) {
+        start_download(this->init_params->download_url);
+    } else {
+        if (! this->init_params->preset_substitutions.empty())
+            show_substitutions_info(this->init_params->preset_substitutions);
+
+#if 0
+        // Load the cummulative config over the currently active profiles.
+        //FIXME if multiple configs are loaded, only the last one will have an effect.
+        // We need to decide what to do about loading of separate presets (just print preset, just filament preset etc).
+        // As of now only the full configs are supported here.
+        if (!m_print_config.empty())
+            this->gui->mainframe->load_config(m_print_config);
+#endif
+        if (! this->init_params->load_configs.empty())
+            // Load the last config to give it a name at the UI. The name of the preset may be later
+            // changed by loading an AMF or 3MF.
+            //FIXME this is not strictly correct, as one may pass a print/filament/printer profile here instead of a full config.
+            this->mainframe->load_config_file(this->init_params->load_configs.back());
+        // If loading a 3MF file, the config is loaded from the last one.
+        if (!this->init_params->input_files.empty()) {
+            const std::vector<size_t> res = this->plater()->load_files(this->init_params->input_files, true, true);
+            if (!res.empty() && this->init_params->input_files.size() == 1) {
+                // Update application titlebar when opening a project file
+                const std::string& filename = this->init_params->input_files.front();
+                if (boost::algorithm::iends_with(filename, ".amf") ||
+                    boost::algorithm::iends_with(filename, ".amf.xml") ||
+                    boost::algorithm::iends_with(filename, ".3mf"))
+                    this->plater()->set_project_filename(from_u8(filename));
+            }
+            if (this->init_params->delete_after_load) {
+                for (const std::string& p : this->init_params->input_files) {
+                    boost::system::error_code ec;
+                    boost::filesystem::remove(boost::filesystem::path(p), ec);
+                    if (ec) {
+                        BOOST_LOG_TRIVIAL(error) << ec.message();
+                    }
+                } 
+            }
+        }
+        if (! this->init_params->extra_config.empty())
+            this->mainframe->load_config(this->init_params->extra_config);
+    }
+
+    // show "Did you know" notification
+    if (app_config->get("show_hints") == "1" && ! is_gcode_viewer())
+        plater_->get_notification_manager()->push_hint_notification(true);
+
+    // The extra CallAfter() is needed because of Mac, where this is the only way
+    // to popup a modal dialog on start without screwing combo boxes.
+    // This is ugly but I honestly found no better way to do it.
+    // Neither wxShowEvent nor wxWindowCreateEvent work reliably.
+    if (this->preset_updater) { // G-Code Viewer does not initialize preset_updater.
+        if (! this->check_updates(false))
+            // Configuration is not compatible and reconfigure was refused by the user. Application is closing.
+            return;
+        CallAfter([this] {
+            // preset_updater->sync downloads profile updates on background so it must begin after config wizard finished.
+            bool cw_showed = this->config_wizard_startup();
+            this->preset_updater->sync(preset_bundle);
+            this->app_version_check(false);
+            if (! cw_showed) {
+                // The CallAfter is needed as well, without it, GL extensions did not show.
+                // Also, we only want to show this when the wizard does not, so the new user
+                // sees something else than "we want something" on the first start.
+                show_send_system_info_dialog_if_needed();
+            }
+        });
+    }
+
+    // Set PrusaSlicer version and save to PrusaSlicer.ini or PrusaSlicerGcodeViewer.ini.
+    app_config->set("version", SLIC3R_VERSION);
+    app_config->save();
+
+#ifdef _WIN32
+    // Sets window property to mainframe so other instances can indentify it.
+    OtherInstanceMessageHandler::init_windows_properties(mainframe, m_instance_hash_int);
+#endif //WIN32
+}
+
+IMPLEMENT_APP(GUI_App)
+
+GUI_App::GUI_App(EAppMode mode)
+    : wxApp()
+    , m_app_mode(mode)
+    , m_em_unit(10)
+    , m_imgui(new ImGuiWrapper())
+	, m_removable_drive_manager(std::make_unique<RemovableDriveManager>())
+	, m_other_instance_message_handler(std::make_unique<OtherInstanceMessageHandler>())
+    , m_downloader(std::make_unique<Downloader>())
+{
+	//app config initializes early becasuse it is used in instance checking in PrusaSlicer.cpp
+	this->init_app_config();
+    // init app downloader after path to datadir is set
+    m_app_updater = std::make_unique<AppUpdater>();
+}
+
+GUI_App::~GUI_App()
+{
+    if (app_config != nullptr)
+        delete app_config;
+
+    if (preset_bundle != nullptr)
+        delete preset_bundle;
+
+    if (preset_updater != nullptr)
+        delete preset_updater;
+}
+
+// If formatted for github, plaintext with OpenGL extensions enclosed into <details>.
+// Otherwise HTML formatted for the system info dialog.
+std::string GUI_App::get_gl_info(bool for_github)
+{
+    return OpenGLManager::get_gl_info().to_string(for_github);
+}
+
+wxGLContext* GUI_App::init_glcontext(wxGLCanvas& canvas)
+{
+#if ENABLE_GL_CORE_PROFILE
+#if ENABLE_OPENGL_DEBUG_OPTION
+    return m_opengl_mgr.init_glcontext(canvas, init_params != nullptr ? init_params->opengl_version : std::make_pair(0, 0),
+        init_params != nullptr ? init_params->opengl_debug : false);
+#else
+    return m_opengl_mgr.init_glcontext(canvas, init_params != nullptr ? init_params->opengl_version : std::make_pair(0, 0));
+#endif // ENABLE_OPENGL_DEBUG_OPTION
+#else
+    return m_opengl_mgr.init_glcontext(canvas);
+#endif // ENABLE_GL_CORE_PROFILE
+}
+
+bool GUI_App::init_opengl()
+{
+#ifdef __linux__
+    bool status = m_opengl_mgr.init_gl();
+    m_opengl_initialized = true;
+    return status;
+#else
+    return m_opengl_mgr.init_gl();
+#endif
+}
+
+// gets path to PrusaSlicer.ini, returns semver from first line comment
+static boost::optional<Semver> parse_semver_from_ini(std::string path)
+{
+    std::ifstream stream(path);
+    std::stringstream buffer;
+    buffer << stream.rdbuf();
+    std::string body = buffer.str();
+    size_t start = body.find("PrusaSlicer ");
+    if (start == std::string::npos)
+        return boost::none;
+    body = body.substr(start + 12);
+    size_t end = body.find_first_of(" \n");
+    if (end < body.size())
+        body.resize(end);
+    return Semver::parse(body);
+}
+
+void GUI_App::init_app_config()
+{
+	// Profiles for the alpha are stored into the PrusaSlicer-alpha directory to not mix with the current release.
+
+//  SetAppName(SLIC3R_APP_KEY);
+	SetAppName(SLIC3R_APP_KEY "-alpha");
+//  SetAppName(SLIC3R_APP_KEY "-beta");
+
+
+//	SetAppDisplayName(SLIC3R_APP_NAME);
+
+	// Set the Slic3r data directory at the Slic3r XS module.
+	// Unix: ~/ .Slic3r
+	// Windows : "C:\Users\username\AppData\Roaming\Slic3r" or "C:\Documents and Settings\username\Application Data\Slic3r"
+	// Mac : "~/Library/Application Support/Slic3r"
+
+    if (data_dir().empty()) {
+        #ifndef __linux__
+            set_data_dir(wxStandardPaths::Get().GetUserDataDir().ToUTF8().data());
+        #else
+            // Since version 2.3, config dir on Linux is in ${XDG_CONFIG_HOME}.
+            // https://github.com/prusa3d/PrusaSlicer/issues/2911
+            wxString dir;
+            if (! wxGetEnv(wxS("XDG_CONFIG_HOME"), &dir) || dir.empty() )
+                dir = wxFileName::GetHomeDir() + wxS("/.config");
+            set_data_dir((dir + "/" + GetAppName()).ToUTF8().data());
+        #endif
+    } else {
+        m_datadir_redefined = true;
+    }
+
+	if (!app_config)
+        app_config = new AppConfig(is_editor() ? AppConfig::EAppMode::Editor : AppConfig::EAppMode::GCodeViewer);
+
+	// load settings
+	m_app_conf_exists = app_config->exists();
+	if (m_app_conf_exists) {
+        std::string error = app_config->load();
+        if (!error.empty()) {
+            // Error while parsing config file. We'll customize the error message and rethrow to be displayed.
+            if (is_editor()) {
+                throw Slic3r::RuntimeError(
+                    _u8L("Error parsing PrusaSlicer config file, it is probably corrupted. "
+                        "Try to manually delete the file to recover from the error. Your user profiles will not be affected.") +
+                    "\n\n" + app_config->config_path() + "\n\n" + error);
+            }
+            else {
+                throw Slic3r::RuntimeError(
+                    _u8L("Error parsing PrusaGCodeViewer config file, it is probably corrupted. "
+                        "Try to manually delete the file to recover from the error.") +
+                    "\n\n" + app_config->config_path() + "\n\n" + error);
+            }
+        }
+    }
+}
+
+// returns old config path to copy from if such exists,
+// returns an empty string if such config path does not exists or if it cannot be loaded.
+std::string GUI_App::check_older_app_config(Semver current_version, bool backup)
+{
+    std::string older_data_dir_path;
+
+    // If the config folder is redefined - do not check
+    if (m_datadir_redefined)
+        return {};
+
+    // find other version app config (alpha / beta / release)
+    std::string             config_path = app_config->config_path();
+    boost::filesystem::path parent_file_path(config_path);
+    std::string             filename = parent_file_path.filename().string();
+    parent_file_path.remove_filename().remove_filename();
+
+    std::vector<boost::filesystem::path> candidates;
+
+    if (SLIC3R_APP_KEY "-alpha" != GetAppName()) candidates.emplace_back(parent_file_path / SLIC3R_APP_KEY "-alpha" / filename);
+    if (SLIC3R_APP_KEY "-beta" != GetAppName())  candidates.emplace_back(parent_file_path / SLIC3R_APP_KEY "-beta" / filename);
+    if (SLIC3R_APP_KEY != GetAppName())          candidates.emplace_back(parent_file_path / SLIC3R_APP_KEY / filename);
+
+    Semver last_semver = current_version;
+    for (const auto& candidate : candidates) {
+        if (boost::filesystem::exists(candidate)) {
+            // parse
+            boost::optional<Semver>other_semver = parse_semver_from_ini(candidate.string());
+            if (other_semver && *other_semver > last_semver) {
+                last_semver = *other_semver;
+                older_data_dir_path = candidate.parent_path().string();
+            }
+        }
+    }
+    if (older_data_dir_path.empty())
+        return {};
+    BOOST_LOG_TRIVIAL(info) << "last app config file used: " << older_data_dir_path;
+    // ask about using older data folder
+
+    InfoDialog msg(nullptr
+        , format_wxstr(_L("You are opening %1% version %2%."), SLIC3R_APP_NAME, SLIC3R_VERSION)
+        , backup ? 
+        format_wxstr(_L(
+            "The active configuration was created by <b>%1% %2%</b>,"
+            "\nwhile a newer configuration was found in <b>%3%</b>"
+            "\ncreated by <b>%1% %4%</b>."
+            "\n\nShall the newer configuration be imported?"
+            "\nIf so, your active configuration will be backed up before importing the new configuration."
+        )
+            , SLIC3R_APP_NAME, current_version.to_string(), older_data_dir_path, last_semver.to_string())
+        : format_wxstr(_L(
+            "An existing configuration was found in <b>%3%</b>"
+            "\ncreated by <b>%1% %2%</b>."
+            "\n\nShall this configuration be imported?"
+        )
+            , SLIC3R_APP_NAME, last_semver.to_string(), older_data_dir_path)
+        , true, wxYES_NO);
+
+    if (backup) {
+        msg.SetButtonLabel(wxID_YES, _L("Import"));
+        msg.SetButtonLabel(wxID_NO, _L("Don't import"));
+    }
+
+    if (msg.ShowModal() == wxID_YES) {
+        std::string snapshot_id;
+        if (backup) {
+            const Config::Snapshot* snapshot{ nullptr };
+            if (! GUI::Config::take_config_snapshot_cancel_on_error(*app_config, Config::Snapshot::SNAPSHOT_USER, "",
+                _u8L("Continue and import newer configuration?"), &snapshot))
+                return {};
+            if (snapshot) {
+                // Save snapshot ID before loading the alternate AppConfig, as loading the alternate AppConfig may fail.
+                snapshot_id = snapshot->id;
+                assert(! snapshot_id.empty());
+                app_config->set("on_snapshot", snapshot_id);
+            } else
+                BOOST_LOG_TRIVIAL(error) << "Failed to take congiguration snapshot";
+        }
+
+        // load app config from older file
+        std::string error = app_config->load((boost::filesystem::path(older_data_dir_path) / filename).string());
+        if (!error.empty()) {
+            // Error while parsing config file. We'll customize the error message and rethrow to be displayed.
+            if (is_editor()) {
+                throw Slic3r::RuntimeError(
+                    _u8L("Error parsing PrusaSlicer config file, it is probably corrupted. "
+                        "Try to manually delete the file to recover from the error. Your user profiles will not be affected.") +
+                    "\n\n" + app_config->config_path() + "\n\n" + error);
+            }
+            else {
+                throw Slic3r::RuntimeError(
+                    _u8L("Error parsing PrusaGCodeViewer config file, it is probably corrupted. "
+                        "Try to manually delete the file to recover from the error.") +
+                    "\n\n" + app_config->config_path() + "\n\n" + error);
+            }
+        }
+        if (!snapshot_id.empty())
+            app_config->set("on_snapshot", snapshot_id);
+        m_app_conf_exists = true;
+        return older_data_dir_path;
+    }
+    return {};
+}
+
+void GUI_App::init_single_instance_checker(const std::string &name, const std::string &path)
+{
+    BOOST_LOG_TRIVIAL(debug) << "init wx instance checker " << name << " "<< path; 
+    m_single_instance_checker = std::make_unique<wxSingleInstanceChecker>(boost::nowide::widen(name), boost::nowide::widen(path));
+}
+
+bool GUI_App::OnInit()
+{
+    try {
+        return on_init_inner();
+    } catch (const std::exception&) {
+        generic_exception_handle();
+        return false;
+    }
+}
+
+bool GUI_App::on_init_inner()
+{
+    // Set initialization of image handlers before any UI actions - See GH issue #7469
+    wxInitAllImageHandlers();
+
+#if defined(_WIN32) && ! defined(_WIN64)
+    // Win32 32bit build.
+    if (wxPlatformInfo::Get().GetArchName().substr(0, 2) == "64") {
+        RichMessageDialog dlg(nullptr,
+            _L("You are running a 32 bit build of PrusaSlicer on 64-bit Windows."
+                "\n32 bit build of PrusaSlicer will likely not be able to utilize all the RAM available in the system."
+                "\nPlease download and install a 64 bit build of PrusaSlicer from https://www.prusa3d.cz/prusaslicer/."
+                "\nDo you wish to continue?"),
+            "PrusaSlicer", wxICON_QUESTION | wxYES_NO);
+        if (dlg.ShowModal() != wxID_YES)
+            return false;
+    }
+#endif // _WIN64
+
+    // Forcing back menu icons under gtk2 and gtk3. Solution is based on:
+    // https://docs.gtk.org/gtk3/class.Settings.html
+    // see also https://docs.wxwidgets.org/3.0/classwx_menu_item.html#a2b5d6bcb820b992b1e4709facbf6d4fb
+    // TODO: Find workaround for GTK4
+#if defined(__WXGTK20__) || defined(__WXGTK3__)
+    g_object_set (gtk_settings_get_default (), "gtk-menu-images", TRUE, NULL);
+#endif
+
+    // Verify resources path
+    const wxString resources_dir = from_u8(Slic3r::resources_dir());
+    wxCHECK_MSG(wxDirExists(resources_dir), false,
+        wxString::Format("Resources path does not exist or is not a directory: %s", resources_dir));
+
+#ifdef __linux__
+    if (! check_old_linux_datadir(GetAppName())) {
+        std::cerr << "Quitting, user chose to move their data to new location." << std::endl;
+        return false;
+    }
+#endif
+
+    // Enable this to get the default Win32 COMCTRL32 behavior of static boxes.
+//    wxSystemOptions::SetOption("msw.staticbox.optimized-paint", 0);
+    // Enable this to disable Windows Vista themes for all wxNotebooks. The themes seem to lead to terrible
+    // performance when working on high resolution multi-display setups.
+//    wxSystemOptions::SetOption("msw.notebook.themed-background", 0);
+
+//     Slic3r::debugf "wxWidgets version %s, Wx version %s\n", wxVERSION_STRING, wxVERSION;
+
+    // !!! Initialization of UI settings as a language, application color mode, fonts... have to be done before first UI action.
+    // Like here, before the show InfoDialog in check_older_app_config()
+
+    // If load_language() fails, the application closes.
+    load_language(wxString(), true);
+#ifdef _MSW_DARK_MODE
+    bool init_dark_color_mode = app_config->get("dark_color_mode") == "1";
+    bool init_sys_menu_enabled = app_config->get("sys_menu_enabled") == "1";
+    NppDarkMode::InitDarkMode(init_dark_color_mode, init_sys_menu_enabled);
+#endif
+    // initialize label colors and fonts
+    init_ui_colours();
+    init_fonts();
+
+    std::string older_data_dir_path;
+    if (m_app_conf_exists) {
+        if (app_config->orig_version().valid() && app_config->orig_version() < *Semver::parse(SLIC3R_VERSION))
+            // Only copying configuration if it was saved with a newer slicer than the one currently running.
+            older_data_dir_path = check_older_app_config(app_config->orig_version(), true);
+    } else {
+        // No AppConfig exists, fresh install. Always try to copy from an alternate location, don't make backup of the current configuration.
+        older_data_dir_path = check_older_app_config(Semver(), false);
+    }
+
+#ifdef _MSW_DARK_MODE
+    // app_config can be updated in check_older_app_config(), so check if dark_color_mode and sys_menu_enabled was changed
+    if (bool new_dark_color_mode = app_config->get("dark_color_mode") == "1";
+        init_dark_color_mode != new_dark_color_mode) {
+        NppDarkMode::SetDarkMode(new_dark_color_mode);
+        init_ui_colours();
+        update_ui_colours_from_appconfig();
+    }
+    if (bool new_sys_menu_enabled = app_config->get("sys_menu_enabled") == "1";
+        init_sys_menu_enabled != new_sys_menu_enabled)
+        NppDarkMode::SetSystemMenuForApp(new_sys_menu_enabled);
+#endif
+
+    if (is_editor()) {
+        std::string msg = Http::tls_global_init();
+        std::string ssl_cert_store = app_config->get("tls_accepted_cert_store_location");
+        bool ssl_accept = app_config->get("tls_cert_store_accepted") == "yes" && ssl_cert_store == Http::tls_system_cert_store();
+
+        if (!msg.empty() && !ssl_accept) {
+            RichMessageDialog
+                dlg(nullptr,
+                    wxString::Format(_L("%s\nDo you want to continue?"), msg),
+                    "PrusaSlicer", wxICON_QUESTION | wxYES_NO);
+            dlg.ShowCheckBox(_L("Remember my choice"));
+            if (dlg.ShowModal() != wxID_YES) return false;
+
+            app_config->set("tls_cert_store_accepted",
+                dlg.IsCheckBoxChecked() ? "yes" : "no");
+            app_config->set("tls_accepted_cert_store_location",
+                dlg.IsCheckBoxChecked() ? Http::tls_system_cert_store() : "");
+        }
+    }
+
+    SplashScreen* scrn = nullptr;
+    if (app_config->get("show_splash_screen") == "1") {
+        // make a bitmap with dark grey banner on the left side
+        wxBitmap bmp = SplashScreen::MakeBitmap(wxBitmap(from_u8(var(is_editor() ? "splashscreen.jpg" : "splashscreen-gcodepreview.jpg")), wxBITMAP_TYPE_JPEG));
+
+        // Detect position (display) to show the splash screen
+        // Now this position is equal to the mainframe position
+        wxPoint splashscreen_pos = wxDefaultPosition;
+        bool default_splashscreen_pos = true;
+        if (app_config->has("window_mainframe") && app_config->get("restore_win_position") == "1") {
+            auto metrics = WindowMetrics::deserialize(app_config->get("window_mainframe"));
+            default_splashscreen_pos = metrics == boost::none;
+            if (!default_splashscreen_pos)
+                splashscreen_pos = metrics->get_rect().GetPosition();
+        }
+
+        if (!default_splashscreen_pos) {
+            // workaround for crash related to the positioning of the window on secondary monitor
+            get_app_config()->set("restore_win_position", "crashed_at_splashscreen_pos");
+            get_app_config()->save();
+        }
+
+        // create splash screen with updated bmp
+        scrn = new SplashScreen(bmp.IsOk() ? bmp : get_bmp_bundle("PrusaSlicer", 400)->GetPreferredBitmapSizeAtScale(1.0), 
+                                wxSPLASH_CENTRE_ON_SCREEN | wxSPLASH_TIMEOUT, 4000, splashscreen_pos);
+
+        if (!default_splashscreen_pos)
+            // revert "restore_win_position" value if application wasn't crashed
+            get_app_config()->set("restore_win_position", "1");
+#ifndef __linux__
+        wxYield();
+#endif
+        scrn->SetText(_L("Loading configuration")+ dots);
+    }
+
+    preset_bundle = new PresetBundle();
+
+    // just checking for existence of Slic3r::data_dir is not enough : it may be an empty directory
+    // supplied as argument to --datadir; in that case we should still run the wizard
+    preset_bundle->setup_directories();
+    
+    if (! older_data_dir_path.empty()) {
+        preset_bundle->import_newer_configs(older_data_dir_path);
+        app_config->save();
+    }
+
+    if (is_editor()) {
+#ifdef __WXMSW__ 
+        if (app_config->get("associate_3mf") == "1")
+            associate_3mf_files();
+        if (app_config->get("associate_stl") == "1")
+            associate_stl_files();
+#endif // __WXMSW__
+
+        preset_updater = new PresetUpdater();
+        Bind(EVT_SLIC3R_VERSION_ONLINE, &GUI_App::on_version_read, this);
+        Bind(EVT_SLIC3R_EXPERIMENTAL_VERSION_ONLINE, [this](const wxCommandEvent& evt) {
+            if (this->plater_ != nullptr && app_config->get("notify_release") == "all") {
+                std::string evt_string = into_u8(evt.GetString());
+                if (*Semver::parse(SLIC3R_VERSION) < *Semver::parse(evt_string)) {
+                    auto notif_type = (evt_string.find("beta") != std::string::npos ? NotificationType::NewBetaAvailable : NotificationType::NewAlphaAvailable);
+                    this->plater_->get_notification_manager()->push_notification( notif_type
+                        , NotificationManager::NotificationLevel::ImportantNotificationLevel
+                        , Slic3r::format(_u8L("New prerelease version %1% is available."), evt_string)
+                        , _u8L("See Releases page.")
+                        , [](wxEvtHandler* evnthndlr) {wxGetApp().open_browser_with_warning_dialog("https://github.com/prusa3d/PrusaSlicer/releases"); return true; }
+                    );
+                }
+            }
+            });
+        Bind(EVT_SLIC3R_APP_DOWNLOAD_PROGRESS, [this](const wxCommandEvent& evt) {
+            //lm:This does not force a render. The progress bar only updateswhen the mouse is moved.
+            if (this->plater_ != nullptr)
+                this->plater_->get_notification_manager()->set_download_progress_percentage((float)std::stoi(into_u8(evt.GetString())) / 100.f );
+        });
+
+        Bind(EVT_SLIC3R_APP_DOWNLOAD_FAILED, [this](const wxCommandEvent& evt) {
+            if (this->plater_ != nullptr)
+                this->plater_->get_notification_manager()->close_notification_of_type(NotificationType::AppDownload);
+            if(!evt.GetString().IsEmpty())
+                show_error(nullptr, evt.GetString());
+        });
+
+        Bind(EVT_SLIC3R_APP_OPEN_FAILED, [](const wxCommandEvent& evt) {
+            show_error(nullptr, evt.GetString());
+        }); 
+
+    }
+    else {
+#ifdef __WXMSW__ 
+        if (app_config->get("associate_gcode") == "1")
+            associate_gcode_files();
+#endif // __WXMSW__
+    }
+    
+    std::string delayed_error_load_presets;
+    // Suppress the '- default -' presets.
+    preset_bundle->set_default_suppressed(app_config->get("no_defaults") == "1");
+    try {
+        // Enable all substitutions (in both user and system profiles), but log the substitutions in user profiles only.
+        // If there are substitutions in system profiles, then a "reconfigure" event shall be triggered, which will force
+        // installation of a compatible system preset, thus nullifying the system preset substitutions.
+        init_params->preset_substitutions = preset_bundle->load_presets(*app_config, ForwardCompatibilitySubstitutionRule::EnableSystemSilent);
+    } catch (const std::exception &ex) {
+        delayed_error_load_presets = ex.what(); 
+    }
+
+#ifdef WIN32
+#if !wxVERSION_EQUAL_OR_GREATER_THAN(3,1,3)
+    register_win32_dpi_event();
+#endif // !wxVERSION_EQUAL_OR_GREATER_THAN
+    register_win32_device_notification_event();
+#endif // WIN32
+
+    // Let the libslic3r know the callback, which will translate messages on demand.
+    Slic3r::I18N::set_translate_callback(libslic3r_translate_callback);
+
+    // application frame
+    if (scrn && is_editor())
+        scrn->SetText(_L("Preparing settings tabs") + dots);
+
+    if (!delayed_error_load_presets.empty())
+        show_error(nullptr, delayed_error_load_presets);
+
+    mainframe = new MainFrame();
+    // hide settings tabs after first Layout
+    if (is_editor())
+        mainframe->select_tab(size_t(0));
+
+    sidebar().obj_list()->init_objects(); // propagate model objects to object list
+//     update_mode(); // !!! do that later
+    SetTopWindow(mainframe);
+
+    plater_->init_notification_manager();
+
+    m_printhost_job_queue.reset(new PrintHostJobQueue(mainframe->printhost_queue_dlg()));
+
+    if (is_gcode_viewer()) {
+        mainframe->update_layout();
+        if (plater_ != nullptr)
+            // ensure the selected technology is ptFFF
+            plater_->set_printer_technology(ptFFF);
+    }
+    else
+        load_current_presets();
+
+    // Save the active profiles as a "saved into project".
+    update_saved_preset_from_current_preset();
+
+    if (plater_ != nullptr) {
+        // Save the names of active presets and project specific config into ProjectDirtyStateManager.
+        plater_->reset_project_dirty_initial_presets();
+        // Update Project dirty state, update application title bar.
+        plater_->update_project_dirty_from_presets();
+    }
+
+    mainframe->Show(true);
+
+    obj_list()->set_min_height();
+
+    update_mode(); // update view mode after fix of the object_list size
+
+#ifdef __APPLE__
+    other_instance_message_handler()->bring_instance_forward();
+#endif //__APPLE__
+
+    Bind(wxEVT_IDLE, [this](wxIdleEvent& event)
+    {
+        if (! plater_)
+            return;
+
+        this->obj_manipul()->update_if_dirty();
+
+        // An ugly solution to GH #5537 in which GUI_App::init_opengl (normally called from events wxEVT_PAINT
+        // and wxEVT_SET_FOCUS before GUI_App::post_init is called) wasn't called before GUI_App::post_init and OpenGL wasn't initialized.
+#ifdef __linux__
+        if (! m_post_initialized && m_opengl_initialized) {
+#else
+        if (! m_post_initialized) {
+#endif
+            m_post_initialized = true;
+#ifdef WIN32
+            this->mainframe->register_win32_callbacks();
+#endif
+            this->post_init();
+        }
+
+        if (m_post_initialized && app_config->dirty() && app_config->get("autosave") == "1")
+            app_config->save();
+    });
+
+    m_initialized = true;
+
+    if (const std::string& crash_reason = app_config->get("restore_win_position");
+        boost::starts_with(crash_reason,"crashed"))
+    {
+        wxString preferences_item = _L("Restore window position on start");
+        InfoDialog dialog(nullptr,
+            _L("PrusaSlicer started after a crash"),
+            format_wxstr(_L("PrusaSlicer crashed last time when attempting to set window position.\n"
+                "We are sorry for the inconvenience, it unfortunately happens with certain multiple-monitor setups.\n"
+                "More precise reason for the crash: \"%1%\".\n"
+                "For more information see our GitHub issue tracker: \"%2%\" and \"%3%\"\n\n"
+                "To avoid this problem, consider disabling \"%4%\" in \"Preferences\". "
+                "Otherwise, the application will most likely crash again next time."),
+                "<b>" + from_u8(crash_reason) + "</b>",
+                "<a href=http://github.com/prusa3d/PrusaSlicer/issues/2939>#2939</a>",
+                "<a href=http://github.com/prusa3d/PrusaSlicer/issues/5573>#5573</a>",
+                "<b>" + preferences_item + "</b>"),
+            true, wxYES_NO);
+
+        dialog.SetButtonLabel(wxID_YES, format_wxstr(_L("Disable \"%1%\""), preferences_item));
+        dialog.SetButtonLabel(wxID_NO,  format_wxstr(_L("Leave \"%1%\" enabled") , preferences_item));
+        
+        auto answer = dialog.ShowModal();
+        if (answer == wxID_YES)
+            app_config->set("restore_win_position", "0");
+        else if (answer == wxID_NO)
+            app_config->set("restore_win_position", "1");
+        app_config->save();
+    }
+
+    return true;
+}
+
+unsigned GUI_App::get_colour_approx_luma(const wxColour &colour)
+{
+    double r = colour.Red();
+    double g = colour.Green();
+    double b = colour.Blue();
+
+    return std::round(std::sqrt(
+        r * r * .241 +
+        g * g * .691 +
+        b * b * .068
+        ));
+}
+
+bool GUI_App::dark_mode()
+{
+#if __APPLE__
+    // The check for dark mode returns false positive on 10.12 and 10.13,
+    // which allowed setting dark menu bar and dock area, which is
+    // is detected as dark mode. We must run on at least 10.14 where the
+    // proper dark mode was first introduced.
+    return wxPlatformInfo::Get().CheckOSVersion(10, 14) && mac_dark_mode();
+#else
+    if (wxGetApp().app_config->has("dark_color_mode"))
+        return wxGetApp().app_config->get("dark_color_mode") == "1";
+    return check_dark_mode();
+#endif
+}
+
+const wxColour GUI_App::get_label_default_clr_system()
+{
+    return dark_mode() ? wxColour(115, 220, 103) : wxColour(26, 132, 57);
+}
+
+const wxColour GUI_App::get_label_default_clr_modified()
+{
+    return dark_mode() ? wxColour(253, 111, 40) : wxColour(252, 77, 1);
+}
+
+const std::vector<std::string> GUI_App::get_mode_default_palette()
+{
+    return { "#7DF028", "#FFDC00", "#E70000" };
+}
+
+void GUI_App::init_ui_colours()
+{
+    m_color_label_modified          = get_label_default_clr_modified();
+    m_color_label_sys               = get_label_default_clr_system();
+    m_mode_palette                  = get_mode_default_palette();
+
+    bool is_dark_mode = dark_mode();
+#ifdef _WIN32
+    m_color_label_default           = is_dark_mode ? wxColour(250, 250, 250): wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
+    m_color_highlight_label_default = is_dark_mode ? wxColour(230, 230, 230): wxSystemSettings::GetColour(/*wxSYS_COLOUR_HIGHLIGHTTEXT*/wxSYS_COLOUR_WINDOWTEXT);
+    m_color_highlight_default       = is_dark_mode ? wxColour(78, 78, 78)   : wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
+    m_color_hovered_btn_label       = is_dark_mode ? wxColour(253, 111, 40) : wxColour(252, 77, 1);
+    m_color_default_btn_label       = is_dark_mode ? wxColour(255, 181, 100): wxColour(203, 61, 0);
+    m_color_selected_btn_bg         = is_dark_mode ? wxColour(95, 73, 62)   : wxColour(228, 220, 216);
+#else
+    m_color_label_default = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
+#endif
+    m_color_window_default          = is_dark_mode ? wxColour(43, 43, 43)   : wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
+}
+
+void GUI_App::update_ui_colours_from_appconfig()
+{
+    // load label colors
+    if (app_config->has("label_clr_sys")) {
+        auto str = app_config->get("label_clr_sys");
+        if (!str.empty())
+            m_color_label_sys = wxColour(str);
+    }
+
+    if (app_config->has("label_clr_modified")) {
+        auto str = app_config->get("label_clr_modified");
+        if (!str.empty())
+            m_color_label_modified = wxColour(str);
+    }
+
+    // load mode markers colors
+    if (app_config->has("mode_palette")) {
+        const auto colors = app_config->get("mode_palette");
+        if (!colors.empty()) {
+            m_mode_palette.clear();
+            if (!unescape_strings_cstyle(colors, m_mode_palette))
+                m_mode_palette = get_mode_default_palette();
+        }
+    }
+}
+
+void GUI_App::update_label_colours()
+{
+    for (Tab* tab : tabs_list)
+        tab->update_label_colours();
+}
+
+#ifdef _WIN32
+static bool is_focused(HWND hWnd)
+{
+    HWND hFocusedWnd = ::GetFocus();
+    return hFocusedWnd && hWnd == hFocusedWnd;
+}
+
+static bool is_default(wxWindow* win)
+{
+    wxTopLevelWindow* tlw = find_toplevel_parent(win);
+    if (!tlw)
+        return false;
+        
+    return win == tlw->GetDefaultItem();
+}
+#endif
+
+void GUI_App::UpdateDarkUI(wxWindow* window, bool highlited/* = false*/, bool just_font/* = false*/)
+{
+#ifdef _WIN32
+    bool is_focused_button = false;
+    bool is_default_button = false;
+    if (wxButton* btn = dynamic_cast<wxButton*>(window)) {
+        if (!(btn->GetWindowStyle() & wxNO_BORDER)) {
+            btn->SetWindowStyle(btn->GetWindowStyle() | wxNO_BORDER);
+            highlited = true;
+        }
+        // button marking
+        {
+            auto mark_button = [this, btn, highlited](const bool mark) {
+                if (btn->GetLabel().IsEmpty())
+                    btn->SetBackgroundColour(mark ? m_color_selected_btn_bg   : highlited ? m_color_highlight_default : m_color_window_default);
+                else
+                    btn->SetForegroundColour(mark ? m_color_hovered_btn_label : (is_default(btn) ? m_color_default_btn_label : m_color_label_default));
+                btn->Refresh();
+                btn->Update();
+            };
+
+            // hovering
+            btn->Bind(wxEVT_ENTER_WINDOW, [mark_button](wxMouseEvent& event) { mark_button(true); event.Skip(); });
+            btn->Bind(wxEVT_LEAVE_WINDOW, [mark_button, btn](wxMouseEvent& event) { mark_button(is_focused(btn->GetHWND())); event.Skip(); });
+            // focusing
+            btn->Bind(wxEVT_SET_FOCUS,    [mark_button](wxFocusEvent& event) { mark_button(true); event.Skip(); });
+            btn->Bind(wxEVT_KILL_FOCUS,   [mark_button](wxFocusEvent& event) { mark_button(false); event.Skip(); });
+
+            is_focused_button = is_focused(btn->GetHWND());
+            is_default_button = is_default(btn);
+            if (is_focused_button || is_default_button)
+                mark_button(is_focused_button);
+        }
+    }
+    else if (wxTextCtrl* text = dynamic_cast<wxTextCtrl*>(window)) {
+        if (text->GetBorder() != wxBORDER_SIMPLE)
+            text->SetWindowStyle(text->GetWindowStyle() | wxBORDER_SIMPLE);
+    }
+    else if (wxCheckListBox* list = dynamic_cast<wxCheckListBox*>(window)) {
+        list->SetWindowStyle(list->GetWindowStyle() | wxBORDER_SIMPLE);
+        list->SetBackgroundColour(highlited ? m_color_highlight_default : m_color_window_default);
+        for (size_t i = 0; i < list->GetCount(); i++)
+            if (wxOwnerDrawn* item = list->GetItem(i)) {
+                item->SetBackgroundColour(highlited ? m_color_highlight_default : m_color_window_default);
+                item->SetTextColour(m_color_label_default);
+            }
+        return;
+    }
+    else if (dynamic_cast<wxListBox*>(window))
+        window->SetWindowStyle(window->GetWindowStyle() | wxBORDER_SIMPLE);
+
+    if (!just_font)
+        window->SetBackgroundColour(highlited ? m_color_highlight_default : m_color_window_default);
+    if (!is_focused_button && !is_default_button)
+        window->SetForegroundColour(m_color_label_default);
+#endif
+}
+
+// recursive function for scaling fonts for all controls in Window
+#ifdef _WIN32
+static void update_dark_children_ui(wxWindow* window, bool just_buttons_update = false)
+{
+    bool is_btn = dynamic_cast<wxButton*>(window) != nullptr;
+    if (!(just_buttons_update && !is_btn))
+        wxGetApp().UpdateDarkUI(window, is_btn);
+
+    auto children = window->GetChildren();
+    for (auto child : children) {        
+        update_dark_children_ui(child);
+    }
+}
+#endif
+
+// Note: Don't use this function for Dialog contains ScalableButtons
+void GUI_App::UpdateDlgDarkUI(wxDialog* dlg, bool just_buttons_update/* = false*/)
+{
+#ifdef _WIN32
+    update_dark_children_ui(dlg, just_buttons_update);
+#endif
+}
+void GUI_App::UpdateDVCDarkUI(wxDataViewCtrl* dvc, bool highlited/* = false*/)
+{
+#ifdef _WIN32
+    UpdateDarkUI(dvc, highlited ? dark_mode() : false);
+#ifdef _MSW_DARK_MODE
+    dvc->RefreshHeaderDarkMode(&m_normal_font);
+#endif //_MSW_DARK_MODE
+    if (dvc->HasFlag(wxDV_ROW_LINES))
+        dvc->SetAlternateRowColour(m_color_highlight_default);
+    if (dvc->GetBorder() != wxBORDER_SIMPLE)
+        dvc->SetWindowStyle(dvc->GetWindowStyle() | wxBORDER_SIMPLE);
+#endif
+}
+
+void GUI_App::UpdateAllStaticTextDarkUI(wxWindow* parent)
+{
+#ifdef _WIN32
+    wxGetApp().UpdateDarkUI(parent);
+
+    auto children = parent->GetChildren();
+    for (auto child : children) {
+        if (dynamic_cast<wxStaticText*>(child))
+            child->SetForegroundColour(m_color_label_default);
+    }
+#endif
+}
+
+void GUI_App::init_fonts()
+{
+    m_small_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+    m_bold_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT).Bold();
+    m_normal_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+
+#ifdef __WXMAC__
+    m_small_font.SetPointSize(11);
+    m_bold_font.SetPointSize(13);
+#endif /*__WXMAC__*/
+
+    // wxSYS_OEM_FIXED_FONT and wxSYS_ANSI_FIXED_FONT use the same as
+    // DEFAULT in wxGtk. Use the TELETYPE family as a work-around
+    m_code_font = wxFont(wxFontInfo().Family(wxFONTFAMILY_TELETYPE));
+    m_code_font.SetPointSize(m_normal_font.GetPointSize());
+}
+
+void GUI_App::update_fonts(const MainFrame *main_frame)
+{
+    /* Only normal and bold fonts are used for an application rescale,
+     * because of under MSW small and normal fonts are the same.
+     * To avoid same rescaling twice, just fill this values
+     * from rescaled MainFrame
+     */
+	if (main_frame == nullptr)
+		main_frame = this->mainframe;
+    m_normal_font   = main_frame->normal_font();
+    m_small_font    = m_normal_font;
+    m_bold_font     = main_frame->normal_font().Bold();
+    m_link_font     = m_bold_font.Underlined();
+    m_em_unit       = main_frame->em_unit();
+    m_code_font.SetPointSize(m_normal_font.GetPointSize());
+}
+
+void GUI_App::set_label_clr_modified(const wxColour& clr) 
+{
+    if (m_color_label_modified == clr)
+        return;
+    m_color_label_modified = clr;
+    const std::string str = encode_color(ColorRGB(clr.Red(), clr.Green(), clr.Blue()));
+    app_config->set("label_clr_modified", str);
+    app_config->save();
+}
+
+void GUI_App::set_label_clr_sys(const wxColour& clr)
+{
+    if (m_color_label_sys == clr)
+        return;
+    m_color_label_sys = clr;
+    const std::string str = encode_color(ColorRGB(clr.Red(), clr.Green(), clr.Blue()));
+    app_config->set("label_clr_sys", str);
+    app_config->save();
+}
+
+const std::string& GUI_App::get_mode_btn_color(int mode_id)
+{
+    assert(0 <= mode_id && size_t(mode_id) < m_mode_palette.size());
+    return m_mode_palette[mode_id];
+}
+
+std::vector<wxColour> GUI_App::get_mode_palette()
+{
+    return { wxColor(m_mode_palette[0]),
+             wxColor(m_mode_palette[1]),
+             wxColor(m_mode_palette[2]) };
+}
+
+void GUI_App::set_mode_palette(const std::vector<wxColour>& palette)
+{
+    bool save = false;
+
+    for (size_t mode = 0; mode < palette.size(); ++mode) {
+        const wxColour& clr = palette[mode];
+        std::string color_str = clr == wxTransparentColour ? std::string("") : encode_color(ColorRGB(clr.Red(), clr.Green(), clr.Blue()));
+        if (m_mode_palette[mode] != color_str) {
+            m_mode_palette[mode] = color_str;
+            save = true;
+        }
+    }
+
+    if (save) {
+        mainframe->update_mode_markers();
+        app_config->set("mode_palette", escape_strings_cstyle(m_mode_palette));
+        app_config->save();
+    }
+}
+
+bool GUI_App::tabs_as_menu() const
+{
+    return app_config->get("tabs_as_menu") == "1"; // || dark_mode();
+}
+
+wxSize GUI_App::get_min_size() const
+{
+    return wxSize(76*m_em_unit, 49 * m_em_unit);
+}
+
+float GUI_App::toolbar_icon_scale(const bool is_limited/* = false*/) const
+{
+#ifdef __APPLE__
+    const float icon_sc = 1.0f; // for Retina display will be used its own scale
+#else
+    const float icon_sc = m_em_unit*0.1f;
+#endif // __APPLE__
+
+    const std::string& use_val  = app_config->get("use_custom_toolbar_size");
+    const std::string& val      = app_config->get("custom_toolbar_size");
+    const std::string& auto_val = app_config->get("auto_toolbar_size");
+
+    if (val.empty() || auto_val.empty() || use_val.empty())
+        return icon_sc;
+
+    int int_val = use_val == "0" ? 100 : atoi(val.c_str());
+    // correct value in respect to auto_toolbar_size
+    int_val = std::min(atoi(auto_val.c_str()), int_val);
+
+    if (is_limited && int_val < 50)
+        int_val = 50;
+
+    return 0.01f * int_val * icon_sc;
+}
+
+void GUI_App::set_auto_toolbar_icon_scale(float scale) const
+{
+#ifdef __APPLE__
+    const float icon_sc = 1.0f; // for Retina display will be used its own scale
+#else
+    const float icon_sc = m_em_unit * 0.1f;
+#endif // __APPLE__
+
+    long int_val = std::min(int(std::lround(scale / icon_sc * 100)), 100);
+    std::string val = std::to_string(int_val);
+
+    app_config->set("auto_toolbar_size", val);
+}
+
+// check user printer_presets for the containing information about "Print Host upload"
+void GUI_App::check_printer_presets()
+{
+    std::vector<std::string> preset_names = PhysicalPrinter::presets_with_print_host_information(preset_bundle->printers);
+    if (preset_names.empty())
+        return;
+
+    wxString msg_text =  _L("You have the following presets with saved options for \"Print Host upload\"") + ":";
+    for (const std::string& preset_name : preset_names)
+        msg_text += "\n    \"" + from_u8(preset_name) + "\",";
+    msg_text.RemoveLast();
+    msg_text += "\n\n" + _L("But since this version of PrusaSlicer we don't show this information in Printer Settings anymore.\n"
+                            "Settings will be available in physical printers settings.") + "\n\n" +
+                         _L("By default new Printer devices will be named as \"Printer N\" during its creation.\n"
+                            "Note: This name can be changed later from the physical printers settings");
+
+    //wxMessageDialog(nullptr, msg_text, _L("Information"), wxOK | wxICON_INFORMATION).ShowModal();
+    MessageDialog(nullptr, msg_text, _L("Information"), wxOK | wxICON_INFORMATION).ShowModal();
+
+    preset_bundle->physical_printers.load_printers_from_presets(preset_bundle->printers);
+}
+
+void GUI_App::recreate_GUI(const wxString& msg_name)
+{
+    m_is_recreating_gui = true;
+
+    mainframe->shutdown();
+
+    wxProgressDialog dlg(msg_name, msg_name, 100, nullptr, wxPD_AUTO_HIDE);
+    dlg.Pulse();
+    dlg.Update(10, _L("Recreating") + dots);
+
+    MainFrame *old_main_frame = mainframe;
+    mainframe = new MainFrame();
+    if (is_editor())
+        // hide settings tabs after first Layout
+        mainframe->select_tab(size_t(0));
+    // Propagate model objects to object list.
+    sidebar().obj_list()->init_objects();
+    SetTopWindow(mainframe);
+
+    dlg.Update(30, _L("Recreating") + dots);
+    old_main_frame->Destroy();
+
+    dlg.Update(80, _L("Loading of current presets") + dots);
+    m_printhost_job_queue.reset(new PrintHostJobQueue(mainframe->printhost_queue_dlg()));
+    load_current_presets();
+    mainframe->Show(true);
+
+    dlg.Update(90, _L("Loading of a mode view") + dots);
+
+    obj_list()->set_min_height();
+    update_mode();
+
+    // #ys_FIXME_delete_after_testing  Do we still need this  ?
+//     CallAfter([]() {
+//         // Run the config wizard, don't offer the "reset user profile" checkbox.
+//         config_wizard_startup(true);
+//     });
+
+    m_is_recreating_gui = false;
+}
+
+void GUI_App::system_info()
+{
+    SysInfoDialog dlg;
+    dlg.ShowModal();
+}
+
+void GUI_App::keyboard_shortcuts()
+{
+    KBShortcutsDialog dlg;
+    dlg.ShowModal();
+}
+
+// static method accepting a wxWindow object as first parameter
+bool GUI_App::catch_error(std::function<void()> cb,
+    //                       wxMessageDialog* message_dialog,
+    const std::string& err /*= ""*/)
+{
+    if (!err.empty()) {
+        if (cb)
+            cb();
+        //         if (message_dialog)
+        //             message_dialog->(err, "Error", wxOK | wxICON_ERROR);
+        show_error(/*this*/nullptr, err);
+        return true;
+    }
+    return false;
+}
+
+// static method accepting a wxWindow object as first parameter
+void fatal_error(wxWindow* parent)
+{
+    show_error(parent, "");
+    //     exit 1; // #ys_FIXME
+}
+
+#ifdef _WIN32
+
+#ifdef _MSW_DARK_MODE
+static void update_scrolls(wxWindow* window)
+{
+    wxWindowList::compatibility_iterator node = window->GetChildren().GetFirst();
+    while (node)
+    {
+        wxWindow* win = node->GetData();
+        if (dynamic_cast<wxScrollHelper*>(win) ||
+            dynamic_cast<wxTreeCtrl*>(win) ||
+            dynamic_cast<wxTextCtrl*>(win))
+            NppDarkMode::SetDarkExplorerTheme(win->GetHWND());
+
+        update_scrolls(win);
+        node = node->GetNext();
+    }
+}
+#endif //_MSW_DARK_MODE
+
+
+#ifdef _MSW_DARK_MODE
+void GUI_App::force_menu_update()
+{
+    NppDarkMode::SetSystemMenuForApp(app_config->get("sys_menu_enabled") == "1");
+}
+#endif //_MSW_DARK_MODE
+
+void GUI_App::force_colors_update()
+{
+#ifdef _MSW_DARK_MODE
+    NppDarkMode::SetDarkMode(app_config->get("dark_color_mode") == "1");
+    if (WXHWND wxHWND = wxToolTip::GetToolTipCtrl())
+        NppDarkMode::SetDarkExplorerTheme((HWND)wxHWND);
+    NppDarkMode::SetDarkTitleBar(mainframe->GetHWND());
+    NppDarkMode::SetDarkTitleBar(mainframe->m_settings_dialog.GetHWND());
+#endif //_MSW_DARK_MODE
+    m_force_colors_update = true;
+}
+#endif //_WIN32
+
+// Called after the Preferences dialog is closed and the program settings are saved.
+// Update the UI based on the current preferences.
+void GUI_App::update_ui_from_settings()
+{
+    update_label_colours();
+#ifdef _WIN32
+    // Upadte UI colors before Update UI from settings
+    if (m_force_colors_update) {
+        m_force_colors_update = false;
+        mainframe->force_color_changed();
+        mainframe->diff_dialog.force_color_changed();
+        mainframe->preferences_dialog->force_color_changed();
+        mainframe->printhost_queue_dlg()->force_color_changed();
+#ifdef _MSW_DARK_MODE
+        update_scrolls(mainframe);
+        if (mainframe->is_dlg_layout()) {
+            // update for tabs bar
+            UpdateDarkUI(&mainframe->m_settings_dialog);
+            mainframe->m_settings_dialog.Fit();
+            mainframe->m_settings_dialog.Refresh();
+            // update scrollbars
+            update_scrolls(&mainframe->m_settings_dialog);
+        }
+#endif //_MSW_DARK_MODE
+    }
+#endif
+    mainframe->update_ui_from_settings();
+}
+
+void GUI_App::persist_window_geometry(wxTopLevelWindow *window, bool default_maximized)
+{
+    const std::string name = into_u8(window->GetName());
+
+    window->Bind(wxEVT_CLOSE_WINDOW, [=](wxCloseEvent &event) {
+        window_pos_save(window, name);
+        event.Skip();
+    });
+
+    window_pos_restore(window, name, default_maximized);
+
+    on_window_geometry(window, [=]() {
+        window_pos_sanitize(window);
+    });
+}
+
+void GUI_App::load_project(wxWindow *parent, wxString& input_file) const
+{
+    input_file.Clear();
+    wxFileDialog dialog(parent ? parent : GetTopWindow(),
+        _L("Choose one file (3MF/AMF):"),
+        app_config->get_last_dir(), "",
+        file_wildcards(FT_PROJECT), wxFD_OPEN | wxFD_FILE_MUST_EXIST);
+
+    if (dialog.ShowModal() == wxID_OK)
+        input_file = dialog.GetPath();
+}
+
+void GUI_App::import_model(wxWindow *parent, wxArrayString& input_files) const
+{
+    input_files.Clear();
+    wxFileDialog dialog(parent ? parent : GetTopWindow(),
+        _L("Choose one or more files (STL/3MF/STEP/OBJ/AMF/PRUSA):"),
+        from_u8(app_config->get_last_dir()), "",
+        file_wildcards(FT_MODEL), wxFD_OPEN | wxFD_MULTIPLE | wxFD_FILE_MUST_EXIST);
+
+    if (dialog.ShowModal() == wxID_OK)
+        dialog.GetPaths(input_files);
+}
+
+void GUI_App::load_gcode(wxWindow* parent, wxString& input_file) const
+{
+    input_file.Clear();
+    wxFileDialog dialog(parent ? parent : GetTopWindow(),
+        _L("Choose one file (GCODE/.GCO/.G/.ngc/NGC):"),
+        app_config->get_last_dir(), "",
+        file_wildcards(FT_GCODE), wxFD_OPEN | wxFD_FILE_MUST_EXIST);
+
+    if (dialog.ShowModal() == wxID_OK)
+        input_file = dialog.GetPath();
+}
+
+bool GUI_App::switch_language()
+{
+    if (select_language()) {
+        recreate_GUI(_L("Changing of an application language") + dots);
+        return true;
+    } else {
+        return false;
+    }
+}
+
+#ifdef __linux__
+static const wxLanguageInfo* linux_get_existing_locale_language(const wxLanguageInfo* language,
+                                                                const wxLanguageInfo* system_language)
+{
+    constexpr size_t max_len = 50;
+    char path[max_len] = "";
+    std::vector<std::string> locales;
+    const std::string lang_prefix = into_u8(language->CanonicalName.BeforeFirst('_'));
+
+    // Call locale -a so we can parse the output to get the list of available locales
+    // We expect lines such as "en_US.utf8". Pick ones starting with the language code
+    // we are switching to. Lines with different formatting will be removed later.
+    FILE* fp = popen("locale -a", "r");
+    if (fp != NULL) {
+        while (fgets(path, max_len, fp) != NULL) {
+            std::string line(path);
+            line = line.substr(0, line.find('\n'));
+            if (boost::starts_with(line, lang_prefix))
+                locales.push_back(line);
+        }
+        pclose(fp);
+    }
+
+    // locales now contain all candidates for this language.
+    // Sort them so ones containing anything about UTF-8 are at the end.
+    std::sort(locales.begin(), locales.end(), [](const std::string& a, const std::string& b)
+    {
+        auto has_utf8 = [](const std::string & s) {
+            auto S = boost::to_upper_copy(s);
+            return S.find("UTF8") != std::string::npos || S.find("UTF-8") != std::string::npos;
+        };
+        return ! has_utf8(a) && has_utf8(b);
+    });
+
+    // Remove the suffix behind a dot, if there is one.
+    for (std::string& s : locales)
+        s = s.substr(0, s.find("."));
+
+    // We just hope that dear Linux "locale -a" returns country codes
+    // in ISO 3166-1 alpha-2 code (two letter) format.
+    // https://en.wikipedia.org/wiki/List_of_ISO_3166_country_codes
+    // To be sure, remove anything not looking as expected
+    // (any number of lowercase letters, underscore, two uppercase letters).
+    locales.erase(std::remove_if(locales.begin(),
+                                 locales.end(),
+                                 [](const std::string& s) {
+                                     return ! std::regex_match(s,
+                                         std::regex("^[a-z]+_[A-Z]{2}$"));
+                                 }),
+                   locales.end());
+
+    if (system_language) {
+        // Is there a candidate matching a country code of a system language? Move it to the end,
+        // while maintaining the order of matches, so that the best match ends up at the very end.
+        std::string system_country = "_" + into_u8(system_language->CanonicalName.AfterFirst('_')).substr(0, 2);
+        int cnt = locales.size();
+        for (int i = 0; i < cnt; ++i)
+            if (locales[i].find(system_country) != std::string::npos) {
+                locales.emplace_back(std::move(locales[i]));
+                locales[i].clear();
+            }
+    }
+
+    // Now try them one by one.
+    for (auto it = locales.rbegin(); it != locales.rend(); ++ it)
+        if (! it->empty()) {
+            const std::string &locale = *it;
+            const wxLanguageInfo* lang = wxLocale::FindLanguageInfo(from_u8(locale));
+            if (wxLocale::IsAvailable(lang->Language))
+                return lang;
+        }
+    return language;
+}
+#endif
+
+int GUI_App::GetSingleChoiceIndex(const wxString& message,
+                                const wxString& caption,
+                                const wxArrayString& choices,
+                                int initialSelection)
+{
+#ifdef _WIN32
+    wxSingleChoiceDialog dialog(nullptr, message, caption, choices);
+    wxGetApp().UpdateDlgDarkUI(&dialog);
+
+    dialog.SetSelection(initialSelection);
+    return dialog.ShowModal() == wxID_OK ? dialog.GetSelection() : -1;
+#else
+    return wxGetSingleChoiceIndex(message, caption, choices, initialSelection);
+#endif
+}
+
+// select language from the list of installed languages
+bool GUI_App::select_language()
+{
+	wxArrayString translations = wxTranslations::Get()->GetAvailableTranslations(SLIC3R_APP_KEY);
+    std::vector<const wxLanguageInfo*> language_infos;
+    language_infos.emplace_back(wxLocale::GetLanguageInfo(wxLANGUAGE_ENGLISH));
+    for (size_t i = 0; i < translations.GetCount(); ++ i) {
+	    const wxLanguageInfo *langinfo = wxLocale::FindLanguageInfo(translations[i]);
+        if (langinfo != nullptr)
+            language_infos.emplace_back(langinfo);
+    }
+    sort_remove_duplicates(language_infos);
+	std::sort(language_infos.begin(), language_infos.end(), [](const wxLanguageInfo* l, const wxLanguageInfo* r) { return l->Description < r->Description; });
+
+    wxArrayString names;
+    names.Alloc(language_infos.size());
+
+    // Some valid language should be selected since the application start up.
+    const wxLanguage current_language = wxLanguage(m_wxLocale->GetLanguage());
+    int 		     init_selection   		= -1;
+    int 			 init_selection_alt     = -1;
+    int 			 init_selection_default = -1;
+    for (size_t i = 0; i < language_infos.size(); ++ i) {
+        if (wxLanguage(language_infos[i]->Language) == current_language)
+        	// The dictionary matches the active language and country.
+            init_selection = i;
+        else if ((language_infos[i]->CanonicalName.BeforeFirst('_') == m_wxLocale->GetCanonicalName().BeforeFirst('_')) ||
+        		 // if the active language is Slovak, mark the Czech language as active.
+        	     (language_infos[i]->CanonicalName.BeforeFirst('_') == "cs" && m_wxLocale->GetCanonicalName().BeforeFirst('_') == "sk"))
+        	// The dictionary matches the active language, it does not necessarily match the country.
+        	init_selection_alt = i;
+        if (language_infos[i]->CanonicalName.BeforeFirst('_') == "en")
+        	// This will be the default selection if the active language does not match any dictionary.
+        	init_selection_default = i;
+        names.Add(language_infos[i]->Description);
+    }
+    if (init_selection == -1)
+    	// This is the dictionary matching the active language.
+    	init_selection = init_selection_alt;
+    if (init_selection != -1)
+    	// This is the language to highlight in the choice dialog initially.
+    	init_selection_default = init_selection;
+
+    const long index = GetSingleChoiceIndex(_L("Select the language"), _L("Language"), names, init_selection_default);
+	// Try to load a new language.
+    if (index != -1 && (init_selection == -1 || init_selection != index)) {
+    	const wxLanguageInfo *new_language_info = language_infos[index];
+    	if (this->load_language(new_language_info->CanonicalName, false)) {
+			// Save language at application config.
+            // Which language to save as the selected dictionary language?
+            // 1) Hopefully the language set to wxTranslations by this->load_language(), but that API is weird and we don't want to rely on its
+            //    stability in the future:
+            //    wxTranslations::Get()->GetBestTranslation(SLIC3R_APP_KEY, wxLANGUAGE_ENGLISH);
+            // 2) Current locale language may not match the dictionary name, see GH issue #3901
+            //    m_wxLocale->GetCanonicalName()
+            // 3) new_language_info->CanonicalName is a safe bet. It points to a valid dictionary name.
+			app_config->set("translation_language", new_language_info->CanonicalName.ToUTF8().data());            
+			app_config->save();
+    		return true;
+    	}
+    }
+
+    return false;
+}
+
+// Load gettext translation files and activate them at the start of the application,
+// based on the "translation_language" key stored in the application config.
+bool GUI_App::load_language(wxString language, bool initial)
+{
+    if (initial) {
+    	// There is a static list of lookup path prefixes in wxWidgets. Add ours.
+	    wxFileTranslationsLoader::AddCatalogLookupPathPrefix(from_u8(localization_dir()));
+    	// Get the active language from PrusaSlicer.ini, or empty string if the key does not exist.
+        language = app_config->get("translation_language");
+        if (! language.empty())
+        	BOOST_LOG_TRIVIAL(trace) << boost::format("translation_language provided by PrusaSlicer.ini: %1%") % language;
+
+        // Get the system language.
+        {
+	        const wxLanguage lang_system = wxLanguage(wxLocale::GetSystemLanguage());
+	        if (lang_system != wxLANGUAGE_UNKNOWN) {
+				m_language_info_system = wxLocale::GetLanguageInfo(lang_system);
+	        	BOOST_LOG_TRIVIAL(trace) << boost::format("System language detected (user locales and such): %1%") % m_language_info_system->CanonicalName.ToUTF8().data();
+	        }
+		}
+        {
+	    	// Allocating a temporary locale will switch the default wxTranslations to its internal wxTranslations instance.
+	    	wxLocale temp_locale;
+#ifdef __WXOSX__
+            // ysFIXME - temporary workaround till it isn't fixed in wxWidgets:
+            // Use English as an initial language, because of under OSX it try to load "inappropriate" language for wxLANGUAGE_DEFAULT.
+            // For example in our case it's trying to load "en_CZ" and as a result PrusaSlicer catch warning message.
+            // But wxWidgets guys work on it.
+            temp_locale.Init(wxLANGUAGE_ENGLISH);
+#else
+            temp_locale.Init();
+#endif // __WXOSX__
+	    	// Set the current translation's language to default, otherwise GetBestTranslation() may not work (see the wxWidgets source code).
+	    	wxTranslations::Get()->SetLanguage(wxLANGUAGE_DEFAULT);
+	    	// Let the wxFileTranslationsLoader enumerate all translation dictionaries for PrusaSlicer
+	    	// and try to match them with the system specific "preferred languages". 
+	    	// There seems to be a support for that on Windows and OSX, while on Linuxes the code just returns wxLocale::GetSystemLanguage().
+	    	// The last parameter gets added to the list of detected dictionaries. This is a workaround 
+	    	// for not having the English dictionary. Let's hope wxWidgets of various versions process this call the same way.
+			wxString best_language = wxTranslations::Get()->GetBestTranslation(SLIC3R_APP_KEY, wxLANGUAGE_ENGLISH);
+			if (! best_language.IsEmpty()) {
+				m_language_info_best = wxLocale::FindLanguageInfo(best_language);
+	        	BOOST_LOG_TRIVIAL(trace) << boost::format("Best translation language detected (may be different from user locales): %1%") % m_language_info_best->CanonicalName.ToUTF8().data();
+			}
+            #ifdef __linux__
+            wxString lc_all;
+            if (wxGetEnv("LC_ALL", &lc_all) && ! lc_all.IsEmpty()) {
+                // Best language returned by wxWidgets on Linux apparently does not respect LC_ALL.
+                // Disregard the "best" suggestion in case LC_ALL is provided.
+                m_language_info_best = nullptr;
+            }
+            #endif
+		}
+    }
+
+	const wxLanguageInfo *language_info = language.empty() ? nullptr : wxLocale::FindLanguageInfo(language);
+	if (! language.empty() && (language_info == nullptr || language_info->CanonicalName.empty())) {
+		// Fix for wxWidgets issue, where the FindLanguageInfo() returns locales with undefined ANSII code (wxLANGUAGE_KONKANI or wxLANGUAGE_MANIPURI).
+		language_info = nullptr;
+    	BOOST_LOG_TRIVIAL(error) << boost::format("Language code \"%1%\" is not supported") % language.ToUTF8().data();
+	}
+
+	if (language_info != nullptr && language_info->LayoutDirection == wxLayout_RightToLeft) {
+    	BOOST_LOG_TRIVIAL(trace) << boost::format("The following language code requires right to left layout, which is not supported by PrusaSlicer: %1%") % language_info->CanonicalName.ToUTF8().data();
+		language_info = nullptr;
+	}
+
+    if (language_info == nullptr) {
+        // PrusaSlicer does not support the Right to Left languages yet.
+        if (m_language_info_system != nullptr && m_language_info_system->LayoutDirection != wxLayout_RightToLeft)
+            language_info = m_language_info_system;
+        if (m_language_info_best != nullptr && m_language_info_best->LayoutDirection != wxLayout_RightToLeft)
+        	language_info = m_language_info_best;
+	    if (language_info == nullptr)
+			language_info = wxLocale::GetLanguageInfo(wxLANGUAGE_ENGLISH_US);
+    }
+
+	BOOST_LOG_TRIVIAL(trace) << boost::format("Switching wxLocales to %1%") % language_info->CanonicalName.ToUTF8().data();
+
+    // Alternate language code.
+    wxLanguage language_dict = wxLanguage(language_info->Language);
+    if (language_info->CanonicalName.BeforeFirst('_') == "sk") {
+    	// Slovaks understand Czech well. Give them the Czech translation.
+    	language_dict = wxLANGUAGE_CZECH;
+		BOOST_LOG_TRIVIAL(trace) << "Using Czech dictionaries for Slovak language";
+    }
+
+    // Select language for locales. This language may be different from the language of the dictionary.
+    if (language_info == m_language_info_best || language_info == m_language_info_system) {
+        // The current language matches user's default profile exactly. That's great.
+    } else if (m_language_info_best != nullptr && language_info->CanonicalName.BeforeFirst('_') == m_language_info_best->CanonicalName.BeforeFirst('_')) {
+        // Use whatever the operating system recommends, if it the language code of the dictionary matches the recommended language.
+        // This allows a Swiss guy to use a German dictionary without forcing him to German locales.
+        language_info = m_language_info_best;
+    } else if (m_language_info_system != nullptr && language_info->CanonicalName.BeforeFirst('_') == m_language_info_system->CanonicalName.BeforeFirst('_'))
+        language_info = m_language_info_system;
+
+#ifdef __linux__
+    // If we can't find this locale , try to use different one for the language
+    // instead of just reporting that it is impossible to switch.
+    if (! wxLocale::IsAvailable(language_info->Language)) {
+        std::string original_lang = into_u8(language_info->CanonicalName);
+        language_info = linux_get_existing_locale_language(language_info, m_language_info_system);
+        BOOST_LOG_TRIVIAL(trace) << boost::format("Can't switch language to %1% (missing locales). Using %2% instead.")
+                                    % original_lang % language_info->CanonicalName.ToUTF8().data();
+    }
+#endif
+
+    if (! wxLocale::IsAvailable(language_info->Language)) {
+    	// Loading the language dictionary failed.
+    	wxString message = "Switching PrusaSlicer to language " + language_info->CanonicalName + " failed.";
+#if !defined(_WIN32) && !defined(__APPLE__)
+        // likely some linux system
+        message += "\nYou may need to reconfigure the missing locales, likely by running the \"locale-gen\" and \"dpkg-reconfigure locales\" commands.\n";
+#endif
+        if (initial)
+        	message + "\n\nApplication will close.";
+        wxMessageBox(message, "PrusaSlicer - Switching language failed", wxOK | wxICON_ERROR);
+        if (initial)
+			std::exit(EXIT_FAILURE);
+		else
+			return false;
+    }
+
+    // Release the old locales, create new locales.
+    //FIXME wxWidgets cause havoc if the current locale is deleted. We just forget it causing memory leaks for now.
+    m_wxLocale.release();
+    m_wxLocale = Slic3r::make_unique<wxLocale>();
+    m_wxLocale->Init(language_info->Language);
+    // Override language at the active wxTranslations class (which is stored in the active m_wxLocale)
+    // to load possibly different dictionary, for example, load Czech dictionary for Slovak language.
+    wxTranslations::Get()->SetLanguage(language_dict);
+    {
+        // UKR Localization specific workaround till the wxWidgets doesn't fixed:
+        // From wxWidgets 3.1.6 calls setlocation(0, wxInfoLanguage->LocaleTag), see (https://github.com/prusa3d/wxWidgets/commit/deef116a09748796711d1e3509965ee208dcdf0b#diff-7de25e9a71c4dce61bbf76492c589623d5b93fd1bb105ceaf0662075d15f4472),
+        // where LocaleTag is a Tag of locale in BCP 47 - like notation.
+        // For Ukrainian Language LocaleTag == "uk".
+        // But setlocale(0, "uk") returns "English_United Kingdom.1252" instead of "uk",
+        // and, as a result, locales are set to English_United Kingdom        
+         
+        if (language_info->CanonicalName == "uk")
+            setlocale(0, language_info->GetCanonicalWithRegion().data());
+    }
+    m_wxLocale->AddCatalog(SLIC3R_APP_KEY);
+    m_imgui->set_language(into_u8(language_info->CanonicalName));
+    //FIXME This is a temporary workaround, the correct solution is to switch to "C" locale during file import / export only.
+    //wxSetlocale(LC_NUMERIC, "C");
+    Preset::update_suffix_modified((" (" + _L("modified") + ")").ToUTF8().data());
+	return true;
+}
+
+Tab* GUI_App::get_tab(Preset::Type type)
+{
+    for (Tab* tab: tabs_list)
+        if (tab->type() == type)
+            return tab->completed() ? tab : nullptr; // To avoid actions with no-completed Tab
+    return nullptr;
+}
+
+ConfigOptionMode GUI_App::get_mode()
+{
+    if (!app_config->has("view_mode"))
+        return comSimple;
+
+    const auto mode = app_config->get("view_mode");
+    return mode == "expert" ? comExpert : 
+           mode == "simple" ? comSimple : comAdvanced;
+}
+
+void GUI_App::save_mode(const /*ConfigOptionMode*/int mode) 
+{
+    const std::string mode_str = mode == comExpert ? "expert" :
+                                 mode == comSimple ? "simple" : "advanced";
+    app_config->set("view_mode", mode_str);
+    app_config->save(); 
+    update_mode();
+}
+
+// Update view mode according to selected menu
+void GUI_App::update_mode()
+{
+    sidebar().update_mode();
+
+#ifdef _WIN32 //_MSW_DARK_MODE
+    if (!wxGetApp().tabs_as_menu())
+        dynamic_cast<Notebook*>(mainframe->m_tabpanel)->UpdateMode();
+#endif
+
+    for (auto tab : tabs_list)
+        tab->update_mode();
+
+    plater()->update_menus();
+    plater()->canvas3D()->update_gizmos_on_off_state();
+}
+
+void GUI_App::add_config_menu(wxMenuBar *menu)
+{
+    auto local_menu = new wxMenu();
+    wxWindowID config_id_base = wxWindow::NewControlId(int(ConfigMenuCnt));
+
+    const auto config_wizard_name = _(ConfigWizard::name(true));
+    const auto config_wizard_tooltip = from_u8((boost::format(_utf8(L("Run %s"))) % config_wizard_name).str());
+    // Cmd+, is standard on OS X - what about other operating systems?
+    if (is_editor()) {
+        local_menu->Append(config_id_base + ConfigMenuWizard, config_wizard_name + dots, config_wizard_tooltip);
+        local_menu->Append(config_id_base + ConfigMenuSnapshots, _L("&Configuration Snapshots") + dots, _L("Inspect / activate configuration snapshots"));
+        local_menu->Append(config_id_base + ConfigMenuTakeSnapshot, _L("Take Configuration &Snapshot"), _L("Capture a configuration snapshot"));
+        local_menu->Append(config_id_base + ConfigMenuUpdateConf, _L("Check for Configuration Updates"), _L("Check for configuration updates"));
+        local_menu->Append(config_id_base + ConfigMenuUpdateApp, _L("Check for Application Updates"), _L("Check for new version of application"));
+#if defined(__linux__) && defined(SLIC3R_DESKTOP_INTEGRATION) 
+        //if (DesktopIntegrationDialog::integration_possible())
+        local_menu->Append(config_id_base + ConfigMenuDesktopIntegration, _L("Desktop Integration"), _L("Desktop Integration"));    
+#endif //(__linux__) && defined(SLIC3R_DESKTOP_INTEGRATION)        
+        local_menu->AppendSeparator();
+    }
+    local_menu->Append(config_id_base + ConfigMenuPreferences, _L("&Preferences") + dots +
+#ifdef __APPLE__
+        "\tCtrl+,",
+#else
+        "\tCtrl+P",
+#endif
+        _L("Application preferences"));
+    wxMenu* mode_menu = nullptr;
+    if (is_editor()) {
+        local_menu->AppendSeparator();
+        mode_menu = new wxMenu();
+        mode_menu->AppendRadioItem(config_id_base + ConfigMenuModeSimple, _L("Simple"), _L("Simple View Mode"));
+//    mode_menu->AppendRadioItem(config_id_base + ConfigMenuModeAdvanced, _L("Advanced"), _L("Advanced View Mode"));
+        mode_menu->AppendRadioItem(config_id_base + ConfigMenuModeAdvanced, _CTX(L_CONTEXT("Advanced", "Mode"), "Mode"), _L("Advanced View Mode"));
+        mode_menu->AppendRadioItem(config_id_base + ConfigMenuModeExpert, _L("Expert"), _L("Expert View Mode"));
+        Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { if (get_mode() == comSimple) evt.Check(true); }, config_id_base + ConfigMenuModeSimple);
+        Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { if (get_mode() == comAdvanced) evt.Check(true); }, config_id_base + ConfigMenuModeAdvanced);
+        Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { if (get_mode() == comExpert) evt.Check(true); }, config_id_base + ConfigMenuModeExpert);
+
+        local_menu->AppendSubMenu(mode_menu, _L("Mode"), wxString::Format(_L("%s View Mode"), SLIC3R_APP_NAME));
+    }
+    local_menu->AppendSeparator();
+    local_menu->Append(config_id_base + ConfigMenuLanguage, _L("&Language"));
+    if (is_editor()) {
+        local_menu->AppendSeparator();
+        local_menu->Append(config_id_base + ConfigMenuFlashFirmware, _L("Flash Printer &Firmware"), _L("Upload a firmware image into an Arduino based printer"));
+        // TODO: for when we're able to flash dictionaries
+        // local_menu->Append(config_id_base + FirmwareMenuDict,  _L("Flash Language File"),    _L("Upload a language dictionary file into a Prusa printer"));
+    }
+
+    local_menu->Bind(wxEVT_MENU, [this, config_id_base](wxEvent &event) {
+        switch (event.GetId() - config_id_base) {
+        case ConfigMenuWizard:
+            run_wizard(ConfigWizard::RR_USER);
+            break;
+		case ConfigMenuUpdateConf:
+			check_updates(true);
+			break;
+        case ConfigMenuUpdateApp:
+            app_version_check(true);
+            break;
+#ifdef __linux__
+        case ConfigMenuDesktopIntegration:
+            show_desktop_integration_dialog();
+            break;
+#endif
+        case ConfigMenuTakeSnapshot:
+            // Take a configuration snapshot.
+            if (wxString action_name = _L("Taking a configuration snapshot");
+                check_and_save_current_preset_changes(action_name, _L("Some presets are modified and the unsaved changes will not be captured by the configuration snapshot."), false, true)) {
+                wxTextEntryDialog dlg(nullptr, action_name, _L("Snapshot name"));
+                UpdateDlgDarkUI(&dlg);
+                
+                // set current normal font for dialog children, 
+                // because of just dlg.SetFont(normal_font()) has no result;
+                for (auto child : dlg.GetChildren())
+                    child->SetFont(normal_font());
+
+                if (dlg.ShowModal() == wxID_OK)
+                    if (const Config::Snapshot *snapshot = Config::take_config_snapshot_report_error(
+                            *app_config, Config::Snapshot::SNAPSHOT_USER, dlg.GetValue().ToUTF8().data());
+                        snapshot != nullptr)
+                        app_config->set("on_snapshot", snapshot->id);
+            }
+            break;
+        case ConfigMenuSnapshots:
+            if (check_and_save_current_preset_changes(_L("Loading a configuration snapshot"), "", false)) {
+                std::string on_snapshot;
+                if (Config::SnapshotDB::singleton().is_on_snapshot(*app_config))
+                    on_snapshot = app_config->get("on_snapshot");
+                ConfigSnapshotDialog dlg(Slic3r::GUI::Config::SnapshotDB::singleton(), on_snapshot);
+                dlg.ShowModal();
+                if (!dlg.snapshot_to_activate().empty()) {
+                    if (! Config::SnapshotDB::singleton().is_on_snapshot(*app_config) && 
+                        ! Config::take_config_snapshot_cancel_on_error(*app_config, Config::Snapshot::SNAPSHOT_BEFORE_ROLLBACK, "",
+                                GUI::format(_L("Continue to activate a configuration snapshot %1%?"), dlg.snapshot_to_activate())))
+                        break;
+                    try {
+                        app_config->set("on_snapshot", Config::SnapshotDB::singleton().restore_snapshot(dlg.snapshot_to_activate(), *app_config).id);
+                        // Enable substitutions, log both user and system substitutions. There should not be any substitutions performed when loading system
+                        // presets because compatibility of profiles shall be verified using the min_slic3r_version keys in config index, but users
+                        // are known to be creative and mess with the config files in various ways.
+                        if (PresetsConfigSubstitutions all_substitutions = preset_bundle->load_presets(*app_config, ForwardCompatibilitySubstitutionRule::Enable);
+                            ! all_substitutions.empty())
+                            show_substitutions_info(all_substitutions);
+
+                        // Load the currently selected preset into the GUI, update the preset selection box.
+                        load_current_presets();
+                    } catch (std::exception &ex) {
+                        GUI::show_error(nullptr, _L("Failed to activate configuration snapshot.") + "\n" + into_u8(ex.what()));
+                    }
+                }
+            }
+            break;
+        case ConfigMenuPreferences:
+        {
+            open_preferences();
+            break;
+        }
+        case ConfigMenuLanguage:
+        {
+            /* Before change application language, let's check unsaved changes on 3D-Scene
+             * and draw user's attention to the application restarting after a language change
+             */
+            {
+                // the dialog needs to be destroyed before the call to switch_language()
+                // or sometimes the application crashes into wxDialogBase() destructor
+                // so we put it into an inner scope
+                wxString title = is_editor() ? wxString(SLIC3R_APP_NAME) : wxString(GCODEVIEWER_APP_NAME);
+                title += " - " + _L("Language selection");
+                //wxMessageDialog dialog(nullptr,
+                MessageDialog dialog(nullptr,
+                    _L("Switching the language will trigger application restart.\n"
+                        "You will lose content of the plater.") + "\n\n" +
+                    _L("Do you want to proceed?"),
+                    title,
+                    wxICON_QUESTION | wxOK | wxCANCEL);
+                if (dialog.ShowModal() == wxID_CANCEL)
+                    return;
+            }
+
+            switch_language();
+            break;
+        }
+        case ConfigMenuFlashFirmware:
+            FirmwareDialog::run(mainframe);
+            break;
+        default:
+            break;
+        }
+    });
+    
+    using std::placeholders::_1;
+
+    if (mode_menu != nullptr) {
+        auto modfn = [this](int mode, wxCommandEvent&) { if (get_mode() != mode) save_mode(mode); };
+        mode_menu->Bind(wxEVT_MENU, std::bind(modfn, comSimple, _1), config_id_base + ConfigMenuModeSimple);
+        mode_menu->Bind(wxEVT_MENU, std::bind(modfn, comAdvanced, _1), config_id_base + ConfigMenuModeAdvanced);
+        mode_menu->Bind(wxEVT_MENU, std::bind(modfn, comExpert, _1), config_id_base + ConfigMenuModeExpert);
+    }
+
+    menu->Append(local_menu, _L("&Configuration"));
+}
+
+void GUI_App::open_preferences(const std::string& highlight_option /*= std::string()*/, const std::string& tab_name/*= std::string()*/)
+{
+    mainframe->preferences_dialog->show(highlight_option, tab_name);
+
+    if (mainframe->preferences_dialog->recreate_GUI())
+        recreate_GUI(_L("Restart application") + dots);
+
+#if ENABLE_GCODE_LINES_ID_IN_H_SLIDER
+    if (dlg.seq_top_layer_only_changed() || dlg.seq_seq_top_gcode_indices_changed())
+#else
+    if (mainframe->preferences_dialog->seq_top_layer_only_changed())
+#endif // ENABLE_GCODE_LINES_ID_IN_H_SLIDER
+        this->plater_->refresh_print();
+
+#ifdef _WIN32
+    if (is_editor()) {
+        if (app_config->get("associate_3mf") == "1")
+            associate_3mf_files();
+        if (app_config->get("associate_stl") == "1")
+            associate_stl_files();
+    }
+    else {
+        if (app_config->get("associate_gcode") == "1")
+            associate_gcode_files();
+    }
+#endif // _WIN32
+
+    if (mainframe->preferences_dialog->settings_layout_changed()) {
+        // hide full main_sizer for mainFrame
+        mainframe->GetSizer()->Show(false);
+        mainframe->update_layout();
+        mainframe->select_tab(size_t(0));
+    }
+}
+
+bool GUI_App::has_unsaved_preset_changes() const
+{
+    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
+    for (const Tab* const tab : tabs_list) {
+        if (tab->supports_printer_technology(printer_technology) && tab->saved_preset_is_dirty())
+            return true;
+    }
+    return false;
+}
+
+bool GUI_App::has_current_preset_changes() const
+{
+    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
+    for (const Tab* const tab : tabs_list) {
+        if (tab->supports_printer_technology(printer_technology) && tab->current_preset_is_dirty())
+            return true;
+    }
+    return false;
+}
+
+void GUI_App::update_saved_preset_from_current_preset()
+{
+    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
+    for (Tab* tab : tabs_list) {
+        if (tab->supports_printer_technology(printer_technology))
+            tab->update_saved_preset_from_current_preset();
+    }
+}
+
+std::vector<const PresetCollection*> GUI_App::get_active_preset_collections() const
+{
+    std::vector<const PresetCollection*> ret;
+    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
+    for (const Tab* tab : tabs_list)
+        if (tab->supports_printer_technology(printer_technology))
+            ret.push_back(tab->get_presets());
+    return ret;
+}
+
+// To notify the user whether he is aware that some preset changes will be lost,
+// UnsavedChangesDialog: "Discard / Save / Cancel"
+// This is called when:
+// - Close Application & Current project isn't saved
+// - Load Project      & Current project isn't saved
+// - Undo / Redo with change of print technologie
+// - Loading snapshot
+// - Loading config_file/bundle
+// UnsavedChangesDialog: "Don't save / Save / Cancel"
+// This is called when:
+// - Exporting config_bundle
+// - Taking snapshot
+bool GUI_App::check_and_save_current_preset_changes(const wxString& caption, const wxString& header, bool remember_choice/* = true*/, bool dont_save_insted_of_discard/* = false*/)
+{
+    if (has_current_preset_changes()) {
+        const std::string app_config_key = remember_choice ? "default_action_on_close_application" : "";
+        int act_buttons = ActionButtons::SAVE;
+        if (dont_save_insted_of_discard)
+            act_buttons |= ActionButtons::DONT_SAVE;
+        UnsavedChangesDialog dlg(caption, header, app_config_key, act_buttons);
+        std::string act = app_config_key.empty() ? "none" : wxGetApp().app_config->get(app_config_key);
+        if (act == "none" && dlg.ShowModal() == wxID_CANCEL)
+            return false;
+
+        if (dlg.save_preset())  // save selected changes
+        {
+            for (const std::pair<std::string, Preset::Type>& nt : dlg.get_names_and_types())
+                preset_bundle->save_changes_for_preset(nt.first, nt.second, dlg.get_unselected_options(nt.second));
+
+            load_current_presets(false);
+
+            // if we saved changes to the new presets, we should to 
+            // synchronize config.ini with the current selections.
+            preset_bundle->export_selections(*app_config);
+
+            MessageDialog(nullptr, dlg.msg_success_saved_modifications(dlg.get_names_and_types().size())).ShowModal();
+        }
+    }
+
+    return true;
+}
+
+void GUI_App::apply_keeped_preset_modifications()
+{
+    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
+    for (Tab* tab : tabs_list) {
+        if (tab->supports_printer_technology(printer_technology))
+            tab->apply_config_from_cache();
+    }
+    load_current_presets(false);
+}
+
+// This is called when creating new project or load another project
+// OR close ConfigWizard
+// to ask the user what should we do with unsaved changes for presets.
+// New Project          => Current project is saved    => UnsavedChangesDialog: "Keep / Discard / Cancel"
+//                      => Current project isn't saved => UnsavedChangesDialog: "Keep / Discard / Save / Cancel"
+// Close ConfigWizard   => Current project is saved    => UnsavedChangesDialog: "Keep / Discard / Save / Cancel"
+// Note: no_nullptr postponed_apply_of_keeped_changes indicates that thie function is called after ConfigWizard is closed
+bool GUI_App::check_and_keep_current_preset_changes(const wxString& caption, const wxString& header, int action_buttons, bool* postponed_apply_of_keeped_changes/* = nullptr*/)
+{
+    if (has_current_preset_changes()) {
+        bool is_called_from_configwizard = postponed_apply_of_keeped_changes != nullptr;
+
+        const std::string app_config_key = is_called_from_configwizard ? "" : "default_action_on_new_project";
+        UnsavedChangesDialog dlg(caption, header, app_config_key, action_buttons);
+        std::string act = app_config_key.empty() ? "none" : wxGetApp().app_config->get(app_config_key);
+        if (act == "none" && dlg.ShowModal() == wxID_CANCEL)
+            return false;
+
+        auto reset_modifications = [this, is_called_from_configwizard]() {
+            if (is_called_from_configwizard)
+                return; // no need to discared changes. It will be done fromConfigWizard closing
+
+            PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
+            for (const Tab* const tab : tabs_list) {
+                if (tab->supports_printer_technology(printer_technology) && tab->current_preset_is_dirty())
+                    tab->m_presets->discard_current_changes();
+            }
+            load_current_presets(false);
+        };
+
+        if (dlg.discard())
+            reset_modifications();
+        else  // save selected changes
+        {
+            const auto& preset_names_and_types = dlg.get_names_and_types();
+            if (dlg.save_preset()) {
+                for (const std::pair<std::string, Preset::Type>& nt : preset_names_and_types)
+                    preset_bundle->save_changes_for_preset(nt.first, nt.second, dlg.get_unselected_options(nt.second));
+
+                // if we saved changes to the new presets, we should to 
+                // synchronize config.ini with the current selections.
+                preset_bundle->export_selections(*app_config);
+
+                wxString text = dlg.msg_success_saved_modifications(preset_names_and_types.size());
+                if (!is_called_from_configwizard)
+                    text += "\n\n" + _L("For new project all modifications will be reseted");
+
+                MessageDialog(nullptr, text).ShowModal();
+                reset_modifications();
+            }
+            else if (dlg.transfer_changes() && (dlg.has_unselected_options() || is_called_from_configwizard)) {
+                // execute this part of code only if not all modifications are keeping to the new project 
+                // OR this function is called when ConfigWizard is closed and "Keep modifications" is selected
+                for (const std::pair<std::string, Preset::Type>& nt : preset_names_and_types) {
+                    Preset::Type type = nt.second;
+                    Tab* tab = get_tab(type);
+                    std::vector<std::string> selected_options = dlg.get_selected_options(type);
+                    if (type == Preset::TYPE_PRINTER) {
+                        auto it = std::find(selected_options.begin(), selected_options.end(), "extruders_count");
+                        if (it != selected_options.end()) {
+                            // erase "extruders_count" option from the list
+                            selected_options.erase(it);
+                            // cache the extruders count
+                            static_cast<TabPrinter*>(tab)->cache_extruder_cnt();
+                        }
+                    }
+                    tab->cache_config_diff(selected_options);
+                    if (!is_called_from_configwizard)
+                        tab->m_presets->discard_current_changes();
+                }
+                if (is_called_from_configwizard)
+                    *postponed_apply_of_keeped_changes = true;
+                else
+                    apply_keeped_preset_modifications();
+            }
+        }
+    }
+
+    return true;
+}
+
+bool GUI_App::can_load_project()
+{
+    int saved_project = plater()->save_project_if_dirty(_L("Loading a new project while the current project is modified."));
+    if (saved_project == wxID_CANCEL ||
+        (plater()->is_project_dirty() && saved_project == wxID_NO && 
+         !check_and_save_current_preset_changes(_L("Project is loading"), _L("Opening new project while some presets are unsaved."))))
+        return false;
+    return true;
+}
+
+bool GUI_App::check_print_host_queue()
+{
+    wxString dirty;
+    std::vector<std::pair<std::string, std::string>> jobs;
+    // Get ongoing jobs from dialog
+    mainframe->m_printhost_queue_dlg->get_active_jobs(jobs);
+    if (jobs.empty())
+        return true;
+    // Show dialog
+    wxString job_string = wxString();
+    for (const auto& job : jobs) {
+        job_string += format_wxstr("   %1% : %2% \n", job.first, job.second);
+    }
+    wxString message;
+    message += _(L("The uploads are still ongoing")) + ":\n\n" + job_string +"\n" + _(L("Stop them and continue anyway?"));
+    //wxMessageDialog dialog(mainframe,
+    MessageDialog dialog(mainframe,
+        message,
+        wxString(SLIC3R_APP_NAME) + " - " + _(L("Ongoing uploads")),
+        wxICON_QUESTION | wxYES_NO | wxNO_DEFAULT);
+    if (dialog.ShowModal() == wxID_YES)
+        return true;
+
+    // TODO: If already shown, bring forward
+    mainframe->m_printhost_queue_dlg->Show();
+    return false;
+}
+
+bool GUI_App::checked_tab(Tab* tab)
+{
+    bool ret = true;
+    if (find(tabs_list.begin(), tabs_list.end(), tab) == tabs_list.end())
+        ret = false;
+    return ret;
+}
+
+// Update UI / Tabs to reflect changes in the currently loaded presets
+void GUI_App::load_current_presets(bool check_printer_presets_ /*= true*/)
+{
+    // check printer_presets for the containing information about "Print Host upload"
+    // and create physical printer from it, if any exists
+    if (check_printer_presets_)
+        check_printer_presets();
+
+    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
+	this->plater()->set_printer_technology(printer_technology);
+    for (Tab *tab : tabs_list)
+		if (tab->supports_printer_technology(printer_technology)) {
+			if (tab->type() == Preset::TYPE_PRINTER) {
+				static_cast<TabPrinter*>(tab)->update_pages();
+				// Mark the plater to update print bed by tab->load_current_preset() from Plater::on_config_change().
+				this->plater()->force_print_bed_update();
+			}
+			tab->load_current_preset();
+		}
+}
+
+bool GUI_App::OnExceptionInMainLoop()
+{
+    generic_exception_handle();
+    return false;
+}
+
+#ifdef __APPLE__
+// This callback is called from wxEntry()->wxApp::CallOnInit()->NSApplication run
+// that is, before GUI_App::OnInit(), so we have a chance to switch GUI_App
+// to a G-code viewer.
+void GUI_App::OSXStoreOpenFiles(const wxArrayString &fileNames)
+{
+    size_t num_gcodes = 0;
+    for (const wxString &filename : fileNames)
+        if (is_gcode_file(into_u8(filename)))
+            ++ num_gcodes;
+    if (fileNames.size() == num_gcodes) {
+        // Opening PrusaSlicer by drag & dropping a G-Code onto PrusaSlicer icon in Finder,
+        // just G-codes were passed. Switch to G-code viewer mode.
+        m_app_mode = EAppMode::GCodeViewer;
+        unlock_lockfile(get_instance_hash_string() + ".lock", data_dir() + "/cache/");
+        if(app_config != nullptr)
+            delete app_config;
+        app_config = nullptr;
+        init_app_config();
+    }
+    wxApp::OSXStoreOpenFiles(fileNames);
+}
+// wxWidgets override to get an event on open files.
+void GUI_App::MacOpenFiles(const wxArrayString &fileNames)
+{
+    std::vector<std::string> files;
+    std::vector<wxString>    gcode_files;
+    std::vector<wxString>    non_gcode_files;
+    for (const auto& filename : fileNames) {
+        if (is_gcode_file(into_u8(filename)))
+            gcode_files.emplace_back(filename);
+        else {
+            files.emplace_back(into_u8(filename));
+            non_gcode_files.emplace_back(filename);
+        }
+    }
+    if (m_app_mode == EAppMode::GCodeViewer) {
+        // Running in G-code viewer.
+        // Load the first G-code into the G-code viewer.
+        // Or if no G-codes, send other files to slicer. 
+        if (! gcode_files.empty()) {
+            if (m_post_initialized)
+                this->plater()->load_gcode(gcode_files.front());
+            else
+                this->init_params->input_files = { into_u8(gcode_files.front()) };
+        }
+        if (!non_gcode_files.empty()) 
+            start_new_slicer(non_gcode_files, true);
+    } else {
+        if (! files.empty()) {
+            if (m_post_initialized) {
+                wxArrayString input_files;
+                for (size_t i = 0; i < non_gcode_files.size(); ++i)
+                    input_files.push_back(non_gcode_files[i]);
+                this->plater()->load_files(input_files);
+            } else {
+                for (const auto &f : non_gcode_files)
+                    this->init_params->input_files.emplace_back(into_u8(f));
+            }
+        }
+        for (const wxString &filename : gcode_files)
+            start_new_gcodeviewer(&filename);
+    }
+}
+
+void GUI_App::MacOpenURL(const wxString& url)
+{
+    if (app_config && app_config->get("downloader_url_registered") != "1")
+    {
+        BOOST_LOG_TRIVIAL(error) << "Recieved command to open URL, but it is not allowed in app configuration. URL: " << url;
+        return;
+    }
+    start_download(boost::nowide::narrow(url));
+}
+
+#endif /* __APPLE */
+
+Sidebar& GUI_App::sidebar()
+{
+    return plater_->sidebar();
+}
+
+ObjectManipulation* GUI_App::obj_manipul()
+{
+    // If this method is called before plater_ has been initialized, return nullptr (to avoid a crash)
+    return (plater_ != nullptr) ? sidebar().obj_manipul() : nullptr;
+}
+
+ObjectSettings* GUI_App::obj_settings()
+{
+    return sidebar().obj_settings();
+}
+
+ObjectList* GUI_App::obj_list()
+{
+    return sidebar().obj_list();
+}
+
+ObjectLayers* GUI_App::obj_layers()
+{
+    return sidebar().obj_layers();
+}
+
+Plater* GUI_App::plater()
+{
+    return plater_;
+}
+
+const Plater* GUI_App::plater() const
+{
+    return plater_;
+}
+
+Model& GUI_App::model()
+{
+    return plater_->model();
+}
+wxBookCtrlBase* GUI_App::tab_panel() const
+{
+    return mainframe->m_tabpanel;
+}
+
+NotificationManager* GUI_App::notification_manager()
+{
+    return plater_->get_notification_manager();
+}
+
+GalleryDialog* GUI_App::gallery_dialog()
+{
+    return mainframe->gallery_dialog();
+}
+
+Downloader* GUI_App::downloader()
+{
+    return m_downloader.get();
+}
+
+// extruders count from selected printer preset
+int GUI_App::extruders_cnt() const
+{
+    const Preset& preset = preset_bundle->printers.get_selected_preset();
+    return preset.printer_technology() == ptSLA ? 1 :
+           preset.config.option<ConfigOptionFloats>("nozzle_diameter")->values.size();
+}
+
+// extruders count from edited printer preset
+int GUI_App::extruders_edited_cnt() const
+{
+    const Preset& preset = preset_bundle->printers.get_edited_preset();
+    return preset.printer_technology() == ptSLA ? 1 :
+           preset.config.option<ConfigOptionFloats>("nozzle_diameter")->values.size();
+}
+
+wxString GUI_App::current_language_code_safe() const
+{
+	// Translate the language code to a code, for which Prusa Research maintains translations.
+	const std::map<wxString, wxString> mapping {
+		{ "cs", 	"cs_CZ", },
+		{ "sk", 	"cs_CZ", },
+		{ "de", 	"de_DE", },
+		{ "es", 	"es_ES", },
+		{ "fr", 	"fr_FR", },
+		{ "it", 	"it_IT", },
+		{ "ja", 	"ja_JP", },
+		{ "ko", 	"ko_KR", },
+		{ "pl", 	"pl_PL", },
+		{ "uk", 	"uk_UA", },
+		{ "zh", 	"zh_CN", },
+		{ "ru", 	"ru_RU", },
+	};
+	wxString language_code = this->current_language_code().BeforeFirst('_');
+	auto it = mapping.find(language_code);
+	if (it != mapping.end())
+		language_code = it->second;
+	else
+		language_code = "en_US";
+	return language_code;
+}
+
+void GUI_App::open_web_page_localized(const std::string &http_address)
+{
+    open_browser_with_warning_dialog(http_address + "&lng=" + this->current_language_code_safe(), nullptr, false);
+}
+
+// If we are switching from the FFF-preset to the SLA, we should to control the printed objects if they have a part(s).
+// Because of we can't to print the multi-part objects with SLA technology.
+bool GUI_App::may_switch_to_SLA_preset(const wxString& caption)
+{
+    if (model_has_multi_part_objects(model())) {
+        show_info(nullptr,
+            _L("It's impossible to print multi-part object(s) with SLA technology.") + "\n\n" +
+            _L("Please check your object list before preset changing."),
+            caption);
+        return false;
+    }
+    if (model_has_connectors(model())) {
+        show_info(nullptr,
+            _L("SLA technology doesn't support cut with connectors") + "\n\n" +
+            _L("Please check your object list before preset changing."),
+            caption);
+        return false;
+    }
+    return true;
+}
+
+bool GUI_App::run_wizard(ConfigWizard::RunReason reason, ConfigWizard::StartPage start_page)
+{
+    wxCHECK_MSG(mainframe != nullptr, false, "Internal error: Main frame not created / null");
+
+    if (reason == ConfigWizard::RR_USER) {
+        // Cancel sync before starting wizard to prevent two downloads at same time
+        preset_updater->cancel_sync();
+        preset_updater->update_index_db();
+        if (preset_updater->config_update(app_config->orig_version(), PresetUpdater::UpdateParams::FORCED_BEFORE_WIZARD) == PresetUpdater::R_ALL_CANCELED)
+            return false;
+    }
+
+    auto wizard = new ConfigWizard(mainframe);
+    const bool res = wizard->run(reason, start_page);
+
+    if (res) {
+        load_current_presets();
+
+        // #ysFIXME - delete after testing: This part of code looks redundant. All checks are inside ConfigWizard::priv::apply_config() 
+        if (preset_bundle->printers.get_edited_preset().printer_technology() == ptSLA)
+            may_switch_to_SLA_preset(_L("Configuration is editing from ConfigWizard"));
+    }
+
+    return res;
+}
+
+void GUI_App::show_desktop_integration_dialog()
+{
+#ifdef __linux__
+    //wxCHECK_MSG(mainframe != nullptr, false, "Internal error: Main frame not created / null");
+    DesktopIntegrationDialog dialog(mainframe);
+    dialog.ShowModal();
+#endif //__linux__
+}
+
+#if ENABLE_THUMBNAIL_GENERATOR_DEBUG
+void GUI_App::gcode_thumbnails_debug()
+{
+    const std::string BEGIN_MASK = "; thumbnail begin";
+    const std::string END_MASK = "; thumbnail end";
+    std::string gcode_line;
+    bool reading_image = false;
+    unsigned int width = 0;
+    unsigned int height = 0;
+
+    wxFileDialog dialog(GetTopWindow(), _L("Select a gcode file:"), "", "", "G-code files (*.gcode)|*.gcode;*.GCODE;", wxFD_OPEN | wxFD_FILE_MUST_EXIST);
+    if (dialog.ShowModal() != wxID_OK)
+        return;
+
+    std::string in_filename = into_u8(dialog.GetPath());
+    std::string out_path = boost::filesystem::path(in_filename).remove_filename().append(L"thumbnail").string();
+
+    boost::nowide::ifstream in_file(in_filename.c_str());
+    std::vector<std::string> rows;
+    std::string row;
+    if (in_file.good())
+    {
+        while (std::getline(in_file, gcode_line))
+        {
+            if (in_file.good())
+            {
+                if (boost::starts_with(gcode_line, BEGIN_MASK))
+                {
+                    reading_image = true;
+                    gcode_line = gcode_line.substr(BEGIN_MASK.length() + 1);
+                    std::string::size_type x_pos = gcode_line.find('x');
+                    std::string width_str = gcode_line.substr(0, x_pos);
+                    width = (unsigned int)::atoi(width_str.c_str());
+                    std::string height_str = gcode_line.substr(x_pos + 1);
+                    height = (unsigned int)::atoi(height_str.c_str());
+                    row.clear();
+                }
+                else if (reading_image && boost::starts_with(gcode_line, END_MASK))
+                {
+                    std::string out_filename = out_path + std::to_string(width) + "x" + std::to_string(height) + ".png";
+                    boost::nowide::ofstream out_file(out_filename.c_str(), std::ios::binary);
+                    if (out_file.good())
+                    {
+                        std::string decoded;
+                        decoded.resize(boost::beast::detail::base64::decoded_size(row.size()));
+                        decoded.resize(boost::beast::detail::base64::decode((void*)&decoded[0], row.data(), row.size()).first);
+
+                        out_file.write(decoded.c_str(), decoded.size());
+                        out_file.close();
+                    }
+
+                    reading_image = false;
+                    width = 0;
+                    height = 0;
+                    rows.clear();
+                }
+                else if (reading_image)
+                    row += gcode_line.substr(2);
+            }
+        }
+
+        in_file.close();
+    }
+}
+#endif // ENABLE_THUMBNAIL_GENERATOR_DEBUG
+
+void GUI_App::window_pos_save(wxTopLevelWindow* window, const std::string &name)
+{
+    if (name.empty()) { return; }
+    const auto config_key = (boost::format("window_%1%") % name).str();
+
+    WindowMetrics metrics = WindowMetrics::from_window(window);
+    app_config->set(config_key, metrics.serialize());
+    app_config->save();
+}
+
+void GUI_App::window_pos_restore(wxTopLevelWindow* window, const std::string &name, bool default_maximized)
+{
+    if (name.empty()) { return; }
+    const auto config_key = (boost::format("window_%1%") % name).str();
+
+    if (! app_config->has(config_key)) {
+        window->Maximize(default_maximized);
+        return;
+    }
+
+    auto metrics = WindowMetrics::deserialize(app_config->get(config_key));
+    if (! metrics) {
+        window->Maximize(default_maximized);
+        return;
+    }
+
+    const wxRect& rect = metrics->get_rect();
+
+    if (app_config->get("restore_win_position") == "1") {
+        // workaround for crash related to the positioning of the window on secondary monitor
+        app_config->set("restore_win_position", (boost::format("crashed_at_%1%_pos") % name).str());
+        app_config->save();
+        window->SetPosition(rect.GetPosition());
+
+        // workaround for crash related to the positioning of the window on secondary monitor
+        app_config->set("restore_win_position", (boost::format("crashed_at_%1%_size") % name).str());
+        app_config->save();
+        window->SetSize(rect.GetSize());
+
+        // revert "restore_win_position" value if application wasn't crashed
+        app_config->set("restore_win_position", "1");
+        app_config->save();
+    }
+    else
+        window->CenterOnScreen();
+
+    window->Maximize(metrics->get_maximized());
+}
+
+void GUI_App::window_pos_sanitize(wxTopLevelWindow* window)
+{
+    /*unsigned*/int display_idx = wxDisplay::GetFromWindow(window);
+    wxRect display;
+    if (display_idx == wxNOT_FOUND) {
+        display = wxDisplay(0u).GetClientArea();
+        window->Move(display.GetTopLeft());
+    } else {
+        display = wxDisplay(display_idx).GetClientArea();
+    }
+
+    auto metrics = WindowMetrics::from_window(window);
+    metrics.sanitize_for_display(display);
+    if (window->GetScreenRect() != metrics.get_rect()) {
+        window->SetSize(metrics.get_rect());
+    }
+}
+
+bool GUI_App::config_wizard_startup()
+{
+    if (!m_app_conf_exists || preset_bundle->printers.only_default_printers()) {
+        run_wizard(ConfigWizard::RR_DATA_EMPTY);
+        return true;
+    } else if (get_app_config()->legacy_datadir()) {
+        // Looks like user has legacy pre-vendorbundle data directory,
+        // explain what this is and run the wizard
+
+        MsgDataLegacy dlg;
+        dlg.ShowModal();
+
+        run_wizard(ConfigWizard::RR_DATA_LEGACY);
+        return true;
+    }
+    return false;
+}
+
+bool GUI_App::check_updates(const bool verbose)
+{	
+	PresetUpdater::UpdateResult updater_result;
+	try {
+        preset_updater->update_index_db();
+		updater_result = preset_updater->config_update(app_config->orig_version(), verbose ? PresetUpdater::UpdateParams::SHOW_TEXT_BOX : PresetUpdater::UpdateParams::SHOW_NOTIFICATION);
+		if (updater_result == PresetUpdater::R_INCOMPAT_EXIT) {
+			mainframe->Close();
+            // Applicaiton is closing.
+            return false;
+		}
+		else if (updater_result == PresetUpdater::R_INCOMPAT_CONFIGURED) {
+            m_app_conf_exists = true;
+		}
+		else if (verbose && updater_result == PresetUpdater::R_NOOP) {
+			MsgNoUpdates dlg;
+			dlg.ShowModal();
+		}
+	}
+	catch (const std::exception & ex) {
+		show_error(nullptr, ex.what());
+	}
+    // Applicaiton will continue.
+    return true;
+}
+
+bool GUI_App::open_browser_with_warning_dialog(const wxString& url, wxWindow* parent/* = nullptr*/, bool force_remember_choice /*= true*/, int flags/* = 0*/)
+{
+    bool launch = true;
+
+    // warning dialog containes a "Remember my choice" checkbox
+    std::string option_key = "suppress_hyperlinks";
+    if (force_remember_choice || app_config->get(option_key).empty()) {
+        if (app_config->get(option_key).empty()) {
+            RichMessageDialog dialog(parent, _L("Open hyperlink in default browser?"), _L("PrusaSlicer: Open hyperlink"), wxICON_QUESTION | wxYES_NO);
+            dialog.ShowCheckBox(_L("Remember my choice"));
+            auto answer = dialog.ShowModal();
+            launch = answer == wxID_YES;
+            if (dialog.IsCheckBoxChecked()) {
+                wxString preferences_item = _L("Suppress to open hyperlink in browser");
+                wxString msg =
+                    _L("PrusaSlicer will remember your choice.") + "\n\n" +
+                    _L("You will not be asked about it again on hyperlinks hovering.") + "\n\n" +
+                    format_wxstr(_L("Visit \"Preferences\" and check \"%1%\"\nto changes your choice."), preferences_item);
+
+                MessageDialog msg_dlg(parent, msg, _L("PrusaSlicer: Don't ask me again"), wxOK | wxCANCEL | wxICON_INFORMATION);
+                if (msg_dlg.ShowModal() == wxID_CANCEL)
+                    return false;
+                app_config->set(option_key, answer == wxID_NO ? "1" : "0");
+            }
+        }
+        if (launch)
+            launch = app_config->get(option_key) != "1";
+    }
+    // warning dialog doesn't containe a "Remember my choice" checkbox
+    // and will be shown only when "Suppress to open hyperlink in browser" is ON.
+    else if (app_config->get(option_key) == "1") {
+        MessageDialog dialog(parent, _L("Open hyperlink in default browser?"), _L("PrusaSlicer: Open hyperlink"), wxICON_QUESTION | wxYES_NO);
+        launch = dialog.ShowModal() == wxID_YES;
+    }
+
+    return  launch && wxLaunchDefaultBrowser(url, flags);
+}
+
+// static method accepting a wxWindow object as first parameter
+// void warning_catcher{
+//     my($self, $message_dialog) = @_;
+//     return sub{
+//         my $message = shift;
+//         return if $message = ~/ GLUquadricObjPtr | Attempt to free unreferenced scalar / ;
+//         my @params = ($message, 'Warning', wxOK | wxICON_WARNING);
+//         $message_dialog
+//             ? $message_dialog->(@params)
+//             : Wx::MessageDialog->new($self, @params)->ShowModal;
+//     };
+// }
+
+// Do we need this function???
+// void GUI_App::notify(message) {
+//     auto frame = GetTopWindow();
+//     // try harder to attract user attention on OS X
+//     if (!frame->IsActive())
+//         frame->RequestUserAttention(defined(__WXOSX__/*&Wx::wxMAC */)? wxUSER_ATTENTION_ERROR : wxUSER_ATTENTION_INFO);
+// 
+//     // There used to be notifier using a Growl application for OSX, but Growl is dead.
+//     // The notifier also supported the Linux X D - bus notifications, but that support was broken.
+//     //TODO use wxNotificationMessage ?
+// }
+
+
+#ifdef __WXMSW__
+void GUI_App::associate_3mf_files()
+{
+    associate_file_type(L".3mf", L"Prusa.Slicer.1", L"PrusaSlicer", true);
+}
+
+void GUI_App::associate_stl_files()
+{
+    associate_file_type(L".stl", L"Prusa.Slicer.1", L"PrusaSlicer", true);
+}
+
+void GUI_App::associate_gcode_files()
+{
+    associate_file_type(L".gcode", L"PrusaSlicer.GCodeViewer.1", L"PrusaSlicerGCodeViewer", true);
+}
+#endif // __WXMSW__
+
+void GUI_App::on_version_read(wxCommandEvent& evt)
+{
+    app_config->set("version_online", into_u8(evt.GetString()));
+    app_config->save();
+    std::string opt = app_config->get("notify_release");
+    if (this->plater_ == nullptr || (opt != "all" && opt != "release")) {
+        return;
+    }
+    if (*Semver::parse(SLIC3R_VERSION) >= *Semver::parse(into_u8(evt.GetString()))) {
+        return;
+    }
+    // notification
+    /*
+    this->plater_->get_notification_manager()->push_notification(NotificationType::NewAppAvailable
+        , NotificationManager::NotificationLevel::ImportantNotificationLevel
+        , Slic3r::format(_u8L("New release version %1% is available."), evt.GetString())
+        , _u8L("See Download page.")
+        , [](wxEvtHandler* evnthndlr) {wxGetApp().open_web_page_localized("https://www.prusa3d.com/slicerweb"); return true; }
+    );
+    */
+    // updater 
+    // read triggered_by_user that was set when calling  GUI_App::app_version_check
+    app_updater(m_app_updater->get_triggered_by_user());
+}
+
+void GUI_App::app_updater(bool from_user)
+{
+    DownloadAppData app_data = m_app_updater->get_app_data();
+
+    if (from_user && (!app_data.version || *app_data.version <= *Semver::parse(SLIC3R_VERSION)))
+    {
+        BOOST_LOG_TRIVIAL(info) << "There is no newer version online.";
+        MsgNoAppUpdates no_update_dialog;
+        no_update_dialog.ShowModal();
+        return;
+
+    }
+
+    assert(!app_data.url.empty());
+    assert(!app_data.target_path.empty());
+
+    // dialog with new version info
+    AppUpdateAvailableDialog dialog(*Semver::parse(SLIC3R_VERSION), *app_data.version);
+    auto dialog_result = dialog.ShowModal();
+    // checkbox "do not show again"
+    if (dialog.disable_version_check()) {
+        app_config->set("notify_release", "none");
+    }
+    // Doesn't wish to update
+    if (dialog_result != wxID_OK) {
+        return;
+    }
+    // dialog with new version download (installer or app dependent on system) including path selection
+    AppUpdateDownloadDialog dwnld_dlg(*app_data.version, app_data.target_path);
+    dialog_result = dwnld_dlg.ShowModal();
+    //  Doesn't wish to download
+    if (dialog_result != wxID_OK) {
+        return;
+    }
+    app_data.target_path =dwnld_dlg.get_download_path();
+
+    // start download
+    this->plater_->get_notification_manager()->push_download_progress_notification(_utf8("Download"), std::bind(&AppUpdater::cancel_callback, this->m_app_updater.get()));
+    app_data.start_after = dwnld_dlg.run_after_download();
+    m_app_updater->set_app_data(std::move(app_data));
+    m_app_updater->sync_download();
+}
+
+void GUI_App::app_version_check(bool from_user)
+{
+    if (from_user) {
+        if (m_app_updater->get_download_ongoing()) {
+            MessageDialog msgdlg(nullptr, _L("Download of new version is already ongoing. Do you wish to continue?"), _L("Notice"), wxYES_NO);
+            if (msgdlg.ShowModal() != wxID_YES)
+                return;
+        }
+    }
+    std::string version_check_url = app_config->version_check_url();
+    m_app_updater->sync_version(version_check_url, from_user);
+}
+
+void GUI_App::start_download(std::string url)
+{
+    if (!plater_) {
+        BOOST_LOG_TRIVIAL(error) << "Could not start URL download: plater is nullptr.";
+        return; 
+    }
+    //lets always init so if the download dest folder was changed, new dest is used 
+        boost::filesystem::path dest_folder(app_config->get("url_downloader_dest"));
+        if (dest_folder.empty() || !boost::filesystem::is_directory(dest_folder)) {
+            std::string msg = _utf8("Could not start URL download. Destination folder is not set. Please choose destination folder in Configuration Wizard.");
+            BOOST_LOG_TRIVIAL(error) << msg;
+            show_error(nullptr, msg);
+            return;
+        } 
+    m_downloader->init(dest_folder);
+    m_downloader->start_download(url);
+}
+
+} // GUI
+} //Slic3r
diff --git a/src/slic3r/GUI/PresetComboBoxes.cpp b/src/slic3r/GUI/PresetComboBoxes.cpp
index b76e903cd..d25f5adfa 100644
--- a/src/slic3r/GUI/PresetComboBoxes.cpp
+++ b/src/slic3r/GUI/PresetComboBoxes.cpp
@@ -798,7 +798,7 @@ void PlaterPresetComboBox::show_edit_menu()
 
 wxString PlaterPresetComboBox::get_preset_name(const Preset& preset)
 {
-    std::string name = preset.alias.empty() ? preset.name : preset.alias;
+    std::string name = preset.alias.empty() ? preset.name : (preset.vendor && preset.vendor->templates_profile ? preset.name : preset.alias);
     return from_u8(name + suffix(preset));
 }
 
@@ -909,14 +909,7 @@ void PlaterPresetComboBox::update()
             set_label_marker(Append(separator(L("System presets")), NullBitmapBndl()));
     }
 
-    const AppConfig* app_config = wxGetApp().app_config;
-    if (!template_presets.empty() && app_config->get("no_templates") == "0") {
-        set_label_marker(Append(separator(L("Template presets")), wxNullBitmap));
-        for (std::map<wxString, wxBitmapBundle*>::iterator it = template_presets.begin(); it != template_presets.end(); ++it) {
-            Append(it->first, *it->second);
-            validate_selection(it->first == selected_user_preset);
-        }
-    }
+    
     if (!nonsys_presets.empty())
     {
         set_label_marker(Append(separator(L("User presets")), NullBitmapBndl()));
@@ -926,6 +919,15 @@ void PlaterPresetComboBox::update()
         }
     }
 
+    const AppConfig* app_config = wxGetApp().app_config;
+    if (!template_presets.empty() && app_config->get("no_templates") == "0") {
+        set_label_marker(Append(separator(L("Template presets")), wxNullBitmap));
+        for (std::map<wxString, wxBitmapBundle*>::iterator it = template_presets.begin(); it != template_presets.end(); ++it) {
+            Append(it->first, *it->second);
+            validate_selection(it->first == selected_user_preset);
+        }
+    }
+
     if (m_type == Preset::TYPE_PRINTER)
     {
         // add Physical printers, if any exists
@@ -1122,17 +1124,7 @@ void TabPresetComboBox::update()
         if (i + 1 == m_collection->num_default_presets())
             set_label_marker(Append(separator(L("System presets")), NullBitmapBndl()));
     }
-    const AppConfig* app_config = wxGetApp().app_config;
-    if (!template_presets.empty() && app_config->get("no_templates") == "0") {
-        set_label_marker(Append(separator(L("Template presets")), wxNullBitmap));
-        for (std::map<wxString, std::pair<wxBitmapBundle*, bool>>::iterator it = template_presets.begin(); it != template_presets.end(); ++it) {
-            int item_id = Append(it->first, *it->second.first);
-            bool is_enabled = it->second.second;
-            if (!is_enabled)
-                set_label_marker(item_id, LABEL_ITEM_DISABLED);
-            validate_selection(it->first == selected);
-        }
-    }
+   
     if (!nonsys_presets.empty())
     {
         set_label_marker(Append(separator(L("User presets")), NullBitmapBndl()));
@@ -1144,7 +1136,19 @@ void TabPresetComboBox::update()
             validate_selection(it->first == selected);
         }
     }
-
+    
+    const AppConfig* app_config = wxGetApp().app_config;
+    if (!template_presets.empty() && app_config->get("no_templates") == "0") {
+        set_label_marker(Append(separator(L("Template presets")), wxNullBitmap));
+        for (std::map<wxString, std::pair<wxBitmapBundle*, bool>>::iterator it = template_presets.begin(); it != template_presets.end(); ++it) {
+            int item_id = Append(it->first, *it->second.first);
+            bool is_enabled = it->second.second;
+            if (!is_enabled)
+                set_label_marker(item_id, LABEL_ITEM_DISABLED);
+            validate_selection(it->first == selected);
+        }
+    }
+    
     if (m_type == Preset::TYPE_PRINTER)
     {
         // add Physical printers, if any exists
diff --git a/src/slic3r/Utils/PresetUpdater.cpp b/src/slic3r/Utils/PresetUpdater.cpp
index 756fcb43e..cd3935ea0 100644
--- a/src/slic3r/Utils/PresetUpdater.cpp
+++ b/src/slic3r/Utils/PresetUpdater.cpp
@@ -12,9 +12,11 @@
 #include <boost/filesystem/fstream.hpp>
 #include <boost/lexical_cast.hpp>
 #include <boost/log/trivial.hpp>
+#include <curl/curl.h>
 
 #include <wx/app.h>
 #include <wx/msgdlg.h>
+#include <wx/progdlg.h>
 
 #include "libslic3r/libslic3r.h"
 #include "libslic3r/format.hpp"
@@ -50,7 +52,7 @@ namespace Slic3r {
 static const char *INDEX_FILENAME = "index.idx";
 static const char *TMP_EXTENSION = ".download";
 
-
+namespace {
 void copy_file_fix(const fs::path &source, const fs::path &target)
 {
 	BOOST_LOG_TRIVIAL(debug) << format("PresetUpdater: Copying %1% -> %2%", source, target);
@@ -67,7 +69,21 @@ void copy_file_fix(const fs::path &source, const fs::path &target)
 	static constexpr const auto perms = fs::owner_read | fs::owner_write | fs::group_read | fs::others_read;
 	fs::permissions(target, perms);
 }
-
+std::string escape_string_url(const std::string& unescaped)
+{
+	std::string ret_val;
+	CURL* curl = curl_easy_init();
+	if (curl) {
+		char* decoded = curl_easy_escape(curl, unescaped.c_str(), unescaped.size());
+		if (decoded) {
+			ret_val = std::string(decoded);
+			curl_free(decoded);
+		}
+		curl_easy_cleanup(curl);
+	}
+	return ret_val;
+}
+}
 struct Update
 {
 	fs::path source;
@@ -160,12 +176,17 @@ struct PresetUpdater::priv
 	void set_download_prefs(const AppConfig *app_config);
 	bool get_file(const std::string &url, const fs::path &target_path) const;
 	void prune_tmps() const;
-	void sync_config(const VendorMap vendors, const std::string& profile_archive_url);
+	void sync_config(const VendorMap vendors, const std::string& index_archive_url);
 
 	void check_install_indices() const;
 	Updates get_config_updates(const Semver& old_slic3r_version) const;
 	bool perform_updates(Updates &&updates, bool snapshot = true) const;
 	void set_waiting_updates(Updates u);
+	// checks existence and downloads resource to cache
+	void get_missing_resource(const std::string& vendor, const std::string& filename, const std::string& url) const; 
+	// checks existence and downloads resource to vendor or copy from cache to vendor
+	void get_or_copy_missing_resource(const std::string& vendor, const std::string& filename, const std::string& url) const;
+	void update_index_db();
 };
 
 PresetUpdater::priv::priv()
@@ -182,6 +203,11 @@ PresetUpdater::priv::priv()
 	index_db = Index::load_db();
 }
 
+void PresetUpdater::priv::update_index_db()
+{
+	index_db = Index::load_db();
+}
+
 // Pull relevant preferences from AppConfig
 void PresetUpdater::priv::set_download_prefs(const AppConfig *app_config)
 {
@@ -235,9 +261,91 @@ void PresetUpdater::priv::prune_tmps() const
 		}
 }
 
+void PresetUpdater::priv::get_missing_resource(const std::string& vendor, const std::string& filename, const std::string& url) const
+{
+	if (filename.empty() || vendor.empty())
+		return;
+
+	if (!boost::starts_with(url, "http://files.prusa3d.com/wp-content/uploads/repository/") &&
+		!boost::starts_with(url, "https://files.prusa3d.com/wp-content/uploads/repository/"))
+	{
+		throw Slic3r::CriticalException(GUI::format("URL outside prusa3d.com network: %1%", url));
+	}
+
+	std::string escaped_filename = escape_string_url(filename);
+	const fs::path file_in_vendor(vendor_path / (vendor + "/" + filename));
+	const fs::path file_in_rsrc(rsrc_path / (vendor + "/" + filename));
+	const fs::path file_in_cache(cache_path / (vendor + "/" + filename));
+
+	if (fs::exists(file_in_vendor)) { // Already in vendor. No need to do anything.
+		BOOST_LOG_TRIVIAL(info) << "Resource " << vendor << " / " << filename << " found in vendor folder. No need to download.";
+		return;
+	}
+	if (fs::exists(file_in_rsrc)) { // In resources dir since installation. No need to do anything.
+		BOOST_LOG_TRIVIAL(info) << "Resource " << vendor << " / " << filename << " found in resources folder. No need to download.";
+		return;
+	}
+	if (fs::exists(file_in_cache)) { // In cache/venodr_name/ dir. No need to do anything.
+		BOOST_LOG_TRIVIAL(info) << "Resource " << vendor << " / " << filename << " found in cache folder. No need to download.";
+		return;
+	}
+
+	BOOST_LOG_TRIVIAL(info) << "Resources check could not find " << vendor << " / " << filename << " bed texture. Downloading.";
+
+	const auto resource_url = format("%1%%2%%3%", url, url.back() == '/' ? "" : "/", escaped_filename); // vendor should already be in url 
+
+	if (!fs::exists(file_in_cache.parent_path()))
+		fs::create_directory(file_in_cache.parent_path());
+
+	get_file(resource_url, file_in_cache);
+	return;
+}
+
+void PresetUpdater::priv::get_or_copy_missing_resource(const std::string& vendor, const std::string& filename, const std::string& url) const
+{
+	if (filename.empty() || vendor.empty())
+		return;
+
+	std::string escaped_filename = escape_string_url(filename);
+	const fs::path file_in_vendor(vendor_path / (vendor + "/" + filename));
+	const fs::path file_in_rsrc(rsrc_path / (vendor + "/" + filename));
+	const fs::path file_in_cache(cache_path / (vendor + "/" + filename));
+
+	if (fs::exists(file_in_vendor)) { // Already in vendor. No need to do anything.
+		BOOST_LOG_TRIVIAL(info) << "Resource " << vendor << " / " << filename << " found in vendor folder. No need to download.";
+		return;
+	}
+	if (fs::exists(file_in_rsrc)) { // In resources dir since installation. No need to do anything.
+		BOOST_LOG_TRIVIAL(info) << "Resource " << vendor << " / " << filename << " found in resources folder. No need to download.";
+		return;
+	}
+	if (!fs::exists(file_in_cache)) { // No file to copy. Download it to straight to the vendor dir.
+		if (!boost::starts_with(url, "http://files.prusa3d.com/wp-content/uploads/repository/") &&
+			!boost::starts_with(url, "https://files.prusa3d.com/wp-content/uploads/repository/"))
+		{
+			throw Slic3r::CriticalException(GUI::format("URL outside prusa3d.com network: %1%", url));
+		}
+		BOOST_LOG_TRIVIAL(info) << "Downloading resources missing in cache directory: " << vendor << " / " << filename;
+
+		const auto resource_url = format("%1%%2%%3%", url, url.back() == '/' ? "" : "/", escaped_filename); // vendor should already be in url 
+
+		if (!fs::exists(file_in_vendor.parent_path()))
+			fs::create_directory(file_in_vendor.parent_path());
+
+		get_file(resource_url, file_in_vendor);
+		return;
+	}
+
+	if (!fs::exists(file_in_vendor.parent_path())) // create vendor_name dir in vendor 
+		fs::create_directory(file_in_vendor.parent_path());
+
+	BOOST_LOG_TRIVIAL(debug) << "Copiing: " << file_in_cache << " to " << file_in_vendor;
+	copy_file_fix(file_in_cache, file_in_vendor);
+}
+
 // Download vendor indices. Also download new bundles if an index indicates there's a new one available.
 // Both are saved in cache.
-void PresetUpdater::priv::sync_config(const VendorMap vendors, const std::string& profile_archive_url)
+void PresetUpdater::priv::sync_config(const VendorMap vendors, const std::string& index_archive_url)
 {
 	BOOST_LOG_TRIVIAL(info) << "Syncing configuration cache";
 
@@ -246,21 +354,20 @@ void PresetUpdater::priv::sync_config(const VendorMap vendors, const std::string
 	// Download profiles archive zip
 	// dk: Do we want to return here on error? Or skip archive dwnld and unzip and work with previous run state cache / vendor? I think return.
 	// Any error here also doesnt show any info in UI. Do we want maybe notification?
-	fs::path archive_path(cache_path / "Archive.zip");
-	if (profile_archive_url.empty()) {
+	fs::path archive_path(cache_path / "vendor_indices.zip");
+	if (index_archive_url.empty()) {
 		BOOST_LOG_TRIVIAL(error) << "Downloading profile archive failed - url has no value.";
 		return;
 	}
-	BOOST_LOG_TRIVIAL(info) << "Downloading vedor profiles archive zip.";
+	BOOST_LOG_TRIVIAL(info) << "Downloading vedor profiles archive zip from " << index_archive_url;
 	//check if idx_url is leading to our site 
-	if (!boost::starts_with(profile_archive_url, "http://files.prusa3d.com/wp-content/uploads/repository/") &&
-		!boost::starts_with(profile_archive_url, "https://files.prusa3d.com/wp-content/uploads/repository/"))
+	if (!boost::starts_with(index_archive_url, "http://files.prusa3d.com/wp-content/uploads/repository/") &&
+		!boost::starts_with(index_archive_url, "https://files.prusa3d.com/wp-content/uploads/repository/"))
 	{
 		BOOST_LOG_TRIVIAL(error) << "Unsafe url path for vedor profiles archive zip. Download is rejected.";
-		// TODO: this return must be uncommented when correct address is in use
-		//return;
+		return;
 	}
-	if (!get_file(profile_archive_url, archive_path)) {
+	if (!get_file(index_archive_url, archive_path)) {
 		BOOST_LOG_TRIVIAL(error) << "Download of vedor profiles archive zip failed.";
 		return;
 	}
@@ -268,8 +375,16 @@ void PresetUpdater::priv::sync_config(const VendorMap vendors, const std::string
 		return; 
 	}
 
+	enum class VendorStatus
+	{
+		IN_ARCHIVE,
+		IN_CACHE,
+		NEW_VERSION,
+		INSTALLED
+	};
+
+	std::vector<std::pair<std::string, VendorStatus>> vendors_with_status;
 	// Unzip archive to cache / vendor
-	std::vector<std::string> vendors_only_in_archive;
 	mz_zip_archive archive;
 	mz_zip_zero_struct(&archive);
 	if (!open_zip_reader(&archive, archive_path.string())) {
@@ -291,69 +406,59 @@ void PresetUpdater::priv::sync_config(const VendorMap vendors, const std::string
 					}
 					// create file from buffer
 					fs::path tmp_path(cache_vendor_path / (name + ".tmp"));
+					if (!fs::exists(tmp_path.parent_path())) {
+						BOOST_LOG_TRIVIAL(error) << "Failed to unzip file " << name << ". Directories are not supported. Skipping file.";
+						continue;
+					}
 					fs::path target_path(cache_vendor_path / name);
 					fs::fstream file(tmp_path, std::ios::out | std::ios::binary | std::ios::trunc);
 					file.write(buffer.c_str(), buffer.size());
 					file.close();
-					fs::rename(tmp_path, target_path);
-					
-					if (name.substr(name.size() - 3) == "ini")
-						vendors_only_in_archive.push_back(name);
+					boost::system::error_code ec;
+					bool exists = fs::exists(tmp_path, ec);
+					if(!exists || ec) {
+						BOOST_LOG_TRIVIAL(error) << "Failed to find unzipped file at " << tmp_path << ". Terminating Preset updater synchorinzation." ;
+						close_zip_reader(&archive);
+						return;
+					}
+					fs::rename(tmp_path, target_path, ec);
+					if (ec) {
+						BOOST_LOG_TRIVIAL(error) << "Failed to rename unzipped file at " << tmp_path << ". Terminating Preset updater synchorinzation. Error message: " << ec.message();
+						close_zip_reader(&archive);
+						return;
+					}
+					// TODO: what if unexpected happens here (folder inside zip) - crash! 
+
+					if (name.substr(name.size() - 3) == "idx")
+						vendors_with_status.emplace_back(name.substr(0, name.size() - 4), VendorStatus::IN_ARCHIVE); // asume for now its only in archive - if not, it will change later.
 				}
 			}
 		}
 		close_zip_reader(&archive);
 	}
 
-	auto get_missing_resource = [&self = std::as_const(*this)](const std::string& vendor, const std::string& filename,
-		const std::string& url, const fs::path& vendor_path,
-		const fs::path& rsrc_path, const fs::path& cache_path)
-	{
-		if (filename.empty() || vendor.empty())
-			return;
-
-		if (!boost::starts_with(url, "http://files.prusa3d.com/wp-content/uploads/repository/") &&
-			!boost::starts_with(url, "https://files.prusa3d.com/wp-content/uploads/repository/"))
-		{
-			throw Slic3r::CriticalException(GUI::format("URL outside prusa3d.com network: %1%", url));
-		}
-
-		const fs::path file_in_vendor(vendor_path / (vendor + "/" + filename));
-		const fs::path file_in_rsrc(rsrc_path / (vendor + "/" + filename));
-		const fs::path file_in_cache(cache_path / (vendor + "/" + filename));
-
-		if (fs::exists(file_in_vendor)) { // Already in vendor. No need to do anything.
-			return;
-		}
-		if (fs::exists(file_in_rsrc)) { // In resources dir since installation. No need to do anything.
-			return;
-		}
-	
-		BOOST_LOG_TRIVIAL(info) << "Resources check could not find " << vendor << " / " << filename << " bed texture. Downloading.";
-
-		const auto resource_url = format("%1%%2%%3%", url, url.back() == '/' ? "" : "/", filename); // vendor should already be in url 
-
-		if (!fs::exists(file_in_cache.parent_path()))
-			fs::create_directory(file_in_cache.parent_path());
-
-		self.get_file(resource_url, file_in_cache);
-		return;
-	};
-
 	// Update vendor preset bundles if in Vendor
 	// Over all indices from the cache directory:
 	for (auto &index : index_db) {
 		if (cancel) { 
 			return; 
 		}
+		auto archive_it = std::find_if(vendors_with_status.begin(), vendors_with_status.end(),
+			[&index](const std::pair<std::string, VendorStatus>& element) { return element.first == index.vendor(); });
+		//assert(archive_it != vendors_with_status.end()); // this would mean there is a index for vendor that is missing in recently downloaded archive
 
 		const auto vendor_it = vendors.find(index.vendor());
 		if (vendor_it == vendors.end()) {
 			// Not installed vendor yet we need to check missing thumbnails (of new printers)
 			BOOST_LOG_TRIVIAL(debug) << "No such vendor: " << index.vendor();
+			if (archive_it != vendors_with_status.end())
+				archive_it->second = VendorStatus::IN_CACHE;
 			continue;
 		}
 
+		if (archive_it != vendors_with_status.end())
+			archive_it->second = VendorStatus::INSTALLED;
+
 		const VendorProfile &vendor = vendor_it->second;
 		const std::string idx_path = (cache_path / (vendor.id + ".idx")).string();
 		const std::string idx_path_temp = (cache_vendor_path / (vendor.id + ".idx")).string();
@@ -368,7 +473,7 @@ void PresetUpdater::priv::sync_config(const VendorMap vendors, const std::string
 				continue;
 			}
 			if (new_index.version() < index.version()) {
-				BOOST_LOG_TRIVIAL(warning) << format("The downloaded index %1% for vendor %2% is older than the active one. Ignoring the downloaded index.", idx_path_temp, vendor.name);
+				BOOST_LOG_TRIVIAL(info) << format("The downloaded index %1% for vendor %2% is older than the active one. Ignoring the downloaded index.", idx_path_temp, vendor.name);
 				continue;
 			}
 			copy_file_fix(idx_path_temp, idx_path);
@@ -401,23 +506,28 @@ void PresetUpdater::priv::sync_config(const VendorMap vendors, const std::string
 			recommended.to_string());
 
 		if (vendor.config_version >= recommended) { continue; }
-		
-		const auto path_in_archive = cache_vendor_path / (vendor.id + ".ini");
-		const auto path_in_cache = cache_path / (vendor.id + ".ini");
-		// Check version
-		if (!boost::filesystem::exists(path_in_archive))
-			continue;
-		// vp is fully loaded to get all resources
-		auto vp = VendorProfile::from_ini(path_in_archive, true);
-		if (vp.config_version != recommended)
-			continue;
-		copy_file_fix(path_in_archive, path_in_cache);
-		// vendors that are checked here, doesnt need to be checked again later
-		const auto archive_it = std::find(vendors_only_in_archive.begin(), vendors_only_in_archive.end(), index.vendor() + ".ini");
-		if (archive_it != vendors_only_in_archive.end()) {
-			vendors_only_in_archive.erase(archive_it);
-		}
 
+		// vendors that are checked here, doesnt need to be checked again later
+		if (archive_it != vendors_with_status.end())
+			archive_it->second = VendorStatus::NEW_VERSION;
+
+		// Download recomended ini to cache
+		const auto path_in_cache = cache_path / (vendor.id + ".ini");
+		BOOST_LOG_TRIVIAL(info) << "Downloading new bundle for vendor: " << vendor.name;
+		const auto bundle_url = format("%1%/%2%.ini", vendor.config_update_url, recommended.to_string());
+		const auto bundle_path = cache_path / (vendor.id + ".ini");
+		if (!get_file(bundle_url, bundle_path))
+			continue;
+		if (cancel)
+			return;
+		// vp is fully loaded to get all resources
+		VendorProfile vp;
+		try {
+			vp = VendorProfile::from_ini(bundle_path, true);
+		} catch (const std::exception& e) {
+			BOOST_LOG_TRIVIAL(error) << format("Corrupted profile file for vendor %1% at %2%, message: %3%", vendor.id, bundle_path, e.what());
+			continue;
+		}
 		// check the fresh bundle for missing resources
 		// for that, the ini file must be parsed (done above)
 		for (const auto& model : vp.models) {
@@ -425,9 +535,7 @@ void PresetUpdater::priv::sync_config(const VendorMap vendors, const std::string
 				if (! res.empty()) {
 					try
 					{
-						// for debug (wont pass check inside function)
-						//std::string fake_url = "https://github.com/kocikdav/PrusaSlicer-settings/raw/master/resources/" + vp.id;
-						get_missing_resource(vp.id, res, vendor.config_update_url, vendor_path, rsrc_path, cache_path);
+						get_missing_resource(vp.id, res, vendor.config_update_url);
 					}
 					catch (const std::exception& e)
 					{
@@ -441,28 +549,222 @@ void PresetUpdater::priv::sync_config(const VendorMap vendors, const std::string
 		}
 	}
 	// Download missing thumbnails for not-installed vendors.
-	for (const std::string& vendor : vendors_only_in_archive)	
-	{
-		BOOST_LOG_TRIVIAL(error) << vendor;
-		const auto path_in_archive = cache_vendor_path / vendor;
-		assert(boost::filesystem::exists(path_in_archive));
-		auto vp = VendorProfile::from_ini(path_in_archive, true);
-		for (const auto& model : vp.models) {
-			if (!model.thumbnail.empty()) {
-				try
-				{
-					// for debug (wont pass check inside function)
-					//std::string fake_url = "https://github.com/kocikdav/PrusaSlicer-settings/raw/master/resources/" + vp.id;
-					get_missing_resource(vp.id, model.thumbnail, vp.config_update_url, vendor_path, rsrc_path, cache_path);
+	//for (const std::string& vendor : vendors_only_in_archive)	
+	for (const std::pair<std::string, VendorStatus >& vendor :  vendors_with_status) {
+		if (vendor.second == VendorStatus::IN_ARCHIVE) {
+			// index in archive and not in cache and not installed vendor
+			
+			const auto idx_path_in_archive = cache_vendor_path / (vendor.first + ".idx");
+			const auto ini_path_in_archive = cache_vendor_path / (vendor.first + ".ini");
+			if (!fs::exists(idx_path_in_archive))
+				continue;
+			Index index;
+			try {
+				index.load(idx_path_in_archive);
+			}
+			catch (const std::exception& /* err */) {
+				BOOST_LOG_TRIVIAL(error) << format("Could not load downloaded index %1% for vendor %2%: invalid index?", idx_path_in_archive, vendor.first);
+				continue;
+			}
+			const auto recommended_it = index.recommended();
+			if (recommended_it == index.end()) {
+				BOOST_LOG_TRIVIAL(error) << format("No recommended version for vendor: %1%, invalid index? (%2%)", vendor.first, idx_path_in_archive);
+				continue;
+			}
+			const auto recommended = recommended_it->config_version;
+			if (!fs::exists(ini_path_in_archive)){
+				// Download recommneded to vendor - we do not have any existing ini file so we have to use hardcoded url.
+				const std::string fixed_url = GUI::wxGetApp().app_config->profile_folder_url();
+				const auto bundle_url = format("%1%/%2%/%3%.ini", fixed_url, vendor.first, recommended.to_string());
+				if (!get_file(bundle_url, ini_path_in_archive))
+					continue;
+			} else {
+				// check existing ini version
+				// then download recommneded to vendor if needed
+				VendorProfile vp;
+				try {
+					vp = VendorProfile::from_ini(ini_path_in_archive, true);
+				} catch (const std::exception& e) {
+					BOOST_LOG_TRIVIAL(error) << format("Corrupted profile file for vendor %1% at %2%, message: %3%", vendor.first, ini_path_in_archive, e.what());
+					continue;
 				}
-				catch (const std::exception& e)
-				{
-					BOOST_LOG_TRIVIAL(error) << "Failed to get " << model.thumbnail << " for " << vp.id << " " << model.id << ": " << e.what();
+				if (vp.config_version != recommended) {
+					const std::string fixed_url = GUI::wxGetApp().app_config->profile_folder_url();
+					const auto bundle_url = format("%1%/%2%/%3%.ini", fixed_url, vendor.first, recommended.to_string());
+					if (!get_file(bundle_url, ini_path_in_archive))
+						continue;
 				}
 			}
-			if (cancel)
-				return;
+			// check missing thumbnails
+			VendorProfile vp;
+			try {
+				vp = VendorProfile::from_ini(ini_path_in_archive, true);
+			}
+			catch (const std::exception& e) {
+				BOOST_LOG_TRIVIAL(error) << format("Corrupted profile file for vendor %1% at %2%, message: %3%", vendor.first, ini_path_in_archive, e.what());
+				continue;
+			}
+			for (const auto& model : vp.models) {
+				if (!model.thumbnail.empty()) {
+					try
+					{
+						get_missing_resource(vp.id, model.thumbnail, vp.config_update_url);
+					}
+					catch (const std::exception& e)
+					{
+						BOOST_LOG_TRIVIAL(error) << "Failed to get " << model.thumbnail << " for " << vp.id << " " << model.id << ": " << e.what();
+					}
+				}
+				if (cancel)
+					return;
+			}
+		} else if (vendor.second == VendorStatus::IN_CACHE) {
+			// find those where archive index recommends other version than index in cache and get it if not present
+			const auto idx_path_in_archive = cache_vendor_path / (vendor.first + ".idx");
+			const auto ini_path_in_archive = cache_vendor_path / (vendor.first + ".ini");
+			const auto idx_path_in_cache = cache_path / (vendor.first + ".idx");
+
+			if (!fs::exists(idx_path_in_archive) || !fs::exists(idx_path_in_cache))
+					continue;
+
+			// Compare index in cache and recetly downloaded one as part of zip archive
+			Index index_cache;
+			try {
+				index_cache.load(idx_path_in_cache);
+			}
+			catch (const std::exception& /* err */) {
+				BOOST_LOG_TRIVIAL(error) << format("Could not load downloaded index %1% for vendor %2%: invalid index?", idx_path_in_cache, vendor.first);
+				continue;
+			}
+			const auto recommended_it_cache = index_cache.recommended();
+			if (recommended_it_cache == index_cache.end()) {
+				BOOST_LOG_TRIVIAL(error) << format("No recommended version for vendor: %1%, invalid index? (%2%)", vendor.first, idx_path_in_cache);
+				continue;
+			}
+			const auto recommended_cache = recommended_it_cache->config_version;
+
+			Index index_archive;
+			try {
+				index_archive.load(idx_path_in_archive);
+			}
+			catch (const std::exception& /* err */) {
+				BOOST_LOG_TRIVIAL(error) << format("Could not load downloaded index %1% for vendor %2%: invalid index?", idx_path_in_archive, vendor.first);
+				continue;
+			}
+			const auto recommended_it_archive = index_archive.recommended();
+			if (recommended_it_archive == index_archive.end()) {
+				BOOST_LOG_TRIVIAL(error) << format("No recommended version for vendor: %1%, invalid index? (%2%)", vendor.first, idx_path_in_archive);
+				continue;
+			}
+			const auto recommended_archive = recommended_it_archive->config_version;
 			
+			if (recommended_archive <= recommended_cache) {
+				// There isn't  more recent recomended version online. This vendor is also not istalled.
+				// Thus only .ini is in resources and came with installation.
+				// And we expect all resources are present.
+				continue;
+			}
+			
+			// Download new .ini if needed. So next time user runs Wizard, most recent profiles are shown & installed.
+			if (!fs::exists(ini_path_in_archive) || fs::is_empty(ini_path_in_archive)) {
+				// download recommneded to vendor 
+				const fs::path ini_path_in_rsrc = rsrc_path / (vendor.first + ".ini");
+				if (!fs::exists(ini_path_in_rsrc)) {
+					// THIS SHOULD NOT HAPPEN
+					continue;
+				}
+				// Get download path from existing ini.
+				VendorProfile vp;
+				try {
+					vp = VendorProfile::from_ini(ini_path_in_rsrc, false);
+				}
+				catch (const std::exception& e) {
+					BOOST_LOG_TRIVIAL(error) << format("Corrupted profile file for vendor %1% at %2%, message: %3%", vendor.first, ini_path_in_rsrc, e.what());
+					continue;
+				}
+				const auto bundle_url = format("%1%/%2%.ini", vp.config_update_url, recommended_archive.to_string());
+				if (!get_file(bundle_url, ini_path_in_archive)) {
+					BOOST_LOG_TRIVIAL(error) << format("Failed to open vendor .ini file when checking missing resources: %1%", ini_path_in_rsrc);
+					continue;
+				}
+			} else {
+				// Check existing ini version.
+				// Then download recommneded to vendor if needed.
+				VendorProfile vp;
+				try {
+					vp = VendorProfile::from_ini(ini_path_in_archive, false);
+				}
+				catch (const std::exception& e) {
+					BOOST_LOG_TRIVIAL(error) << format("Corrupted profile file for vendor %1% at %2%, message: %3%", vendor.first, ini_path_in_archive, e.what());
+					continue;
+				}
+				if (vp.config_version != recommended_archive) {
+					const auto bundle_url = format("%1%/%2%.ini", vp.config_update_url, recommended_archive.to_string());
+					if (!get_file(bundle_url, ini_path_in_archive)) {
+						BOOST_LOG_TRIVIAL(error) << format("Failed to open vendor .ini file when checking missing resources: %1%", ini_path_in_archive);
+						continue;
+					}
+				}
+			}
+
+			if (!fs::exists(ini_path_in_archive)) {
+				BOOST_LOG_TRIVIAL(error) << "Resources check failed to find ini file for vendor: " << vendor.first;
+				continue;
+			}
+			// check missing thumbnails
+			VendorProfile vp;
+			try {
+				vp = VendorProfile::from_ini(ini_path_in_archive, true);
+			}
+			catch (const std::exception& e) {
+				BOOST_LOG_TRIVIAL(error) << format("Corrupted profile file for vendor %1% at %2%, message: %3%", vendor.first, ini_path_in_archive, e.what());
+				continue;
+			}
+			for (const auto& model : vp.models) {
+				if (!model.thumbnail.empty()) {
+					try
+					{
+						get_missing_resource(vp.id, model.thumbnail, vp.config_update_url);
+					}
+					catch (const std::exception& e)
+					{
+						BOOST_LOG_TRIVIAL(error) << "Failed to get " << model.thumbnail << " for " << vp.id << " " << model.id << ": " << e.what();
+					}
+				}
+				if (cancel)
+					return;
+			}
+		} else if (vendor.second == VendorStatus::INSTALLED || vendor.second == VendorStatus::NEW_VERSION) {
+			// Installed vendors need to check that no resource is missing. Do this only for files in vendor folder (not in resorces)
+			// VendorStatus::NEW_VERSION might seem like a mistake here since files are downloaded when preparing update higher in this function. 
+			// But this is a check for ini file in vendor where resources might be still missing since last update.
+			const auto path_in_vendor = vendor_path / (vendor.first + ".ini");
+			if(!fs::exists(path_in_vendor))
+				continue;
+			VendorProfile vp;
+			try {
+				vp = VendorProfile::from_ini(path_in_vendor, true);
+			}
+			catch (const std::exception& e) {
+				BOOST_LOG_TRIVIAL(error) << format("Corrupted profile file for vendor %1% at %2%, message: %3%", vendor.first, path_in_vendor, e.what());
+				continue;
+			}
+			for (const auto& model : vp.models) {
+				for (const std::string& res : { model.bed_texture, model.bed_model, model.thumbnail }) {
+					if (!model.thumbnail.empty()) {
+						try
+						{
+							get_or_copy_missing_resource(vp.id, res, vp.config_update_url);
+						}
+						catch (const std::exception& e)
+						{
+							BOOST_LOG_TRIVIAL(error) << "Failed to get " << model.thumbnail << " for " << vp.id << " " << model.id << ": " << e.what();
+						}
+					}
+					if (cancel)
+						return;
+				}
+			}
 		}
 	}
 }
@@ -513,8 +815,14 @@ Updates PresetUpdater::priv::get_config_updates(const Semver &old_slic3r_version
 		}
 
 		// Perform a basic load and check the version of the installed preset bundle.
-		auto vp = VendorProfile::from_ini(bundle_path, false);
-
+		VendorProfile vp;
+		try {
+			vp = VendorProfile::from_ini(bundle_path, false);
+		}
+		catch (const std::exception& e) {
+			BOOST_LOG_TRIVIAL(error) << format("Corrupted profile file for vendor %1% at %2%, message: %3%", idx.vendor(), bundle_path, e.what());
+			continue;
+		}
 		// Getting a recommended version from the latest index, wich may have been downloaded
 		// from the internet, or installed / updated from the installation resources.
 		auto recommended = idx.recommended();
@@ -590,18 +898,13 @@ Updates PresetUpdater::priv::get_config_updates(const Semver &old_slic3r_version
 				if (new_vp.config_version == recommended->config_version) {
 					// The config bundle from the cache directory matches the recommended version of the index from the cache directory.
 					// This is the newest known recommended config. Use it.
-					if (PresetUtils::vendor_profile_has_all_resources(new_vp)) {
-						// All resources for the profile in cache dir are existing (either in resources or data_dir/vendor or waiting to be copied to vendor from cache) 
-						// This final check is not performed for updates from resources dir below.
-						new_update = Update(std::move(path_in_cache), std::move(bundle_path), *recommended, vp.name, vp.changelog_url, current_not_supported);
-						// and install the config index from the cache into vendor's directory.
-						bundle_path_idx_to_install = idx.path();
-						found = true;
-					} else {
-						// Resource missing - treat as if the INI file was corrupted.
-						throw Slic3r::CriticalException("Some resources are missing.");
+					if (!PresetUtils::vendor_profile_has_all_resources(new_vp)) {
+						BOOST_LOG_TRIVIAL(warning) << "Some resources are missing for update of vedor " << new_vp.id;
 					}
-					
+					new_update = Update(std::move(path_in_cache), std::move(bundle_path), *recommended, vp.name, vp.changelog_url, current_not_supported);
+					// and install the config index from the cache into vendor's directory.
+					bundle_path_idx_to_install = idx.path();
+					found = true;
 				}
 			} catch (const std::exception &ex) {
 				BOOST_LOG_TRIVIAL(info) << format("Failed to load the config bundle `%1%`: %2%", path_in_cache.string(), ex.what());
@@ -715,7 +1018,7 @@ bool PresetUpdater::priv::perform_updates(Updates &&updates, bool snapshot) cons
 
 		BOOST_LOG_TRIVIAL(info) << format("Performing %1% updates", updates.updates.size());
 
-		wxProgressDialog progress_dialog(_L("Installing profiles"), _L("Installing profiles"));
+		wxProgressDialog progress_dialog(_L("Installing profiles"), _L("Installing profiles") , 100, nullptr, wxPD_AUTO_HIDE);
 		progress_dialog.Pulse();
 		
 		for (const auto &update : updates.updates) {
@@ -755,50 +1058,16 @@ bool PresetUpdater::priv::perform_updates(Updates &&updates, bool snapshot) cons
 			for (const auto &name : bundle.obsolete_presets.sla_prints) { obsolete_remover("sla_print", name); } 
 			for (const auto &name : bundle.obsolete_presets.sla_materials/*filaments*/) { obsolete_remover("sla_material", name); } 
 			for (const auto &name : bundle.obsolete_presets.printers)  { obsolete_remover("printer", name); }
-
-			auto get_and_copy_missing_resource = [&self = std::as_const(*this)](const std::string& vendor,   const std::string& filename,
-											const fs::path& vendor_path, const fs::path& rsrc_path,
-											const fs::path& cache_path, const std::string& url)
-			{
-				if (filename.empty() || vendor.empty())
-					return;
-
-				const fs::path file_in_vendor(vendor_path / (vendor + "/" + filename));
-				const fs::path file_in_rsrc(rsrc_path / (vendor + "/" + filename));
-				const fs::path file_in_cache(cache_path / (vendor + "/" + filename));
-
-				if (fs::exists(file_in_vendor)) { // Already in vendor. No need to do anything.
-					return;
-				}
-				if (fs::exists(file_in_rsrc)) { // In resources dir since installation. No need to do anything.
-					return;
-				}
-				if (!fs::exists(file_in_cache)) { // No file to copy. Download it to straight to the vendor dir.
-					if (!boost::starts_with(url, "http://files.prusa3d.com/wp-content/uploads/repository/") &&
-						!boost::starts_with(url, "https://files.prusa3d.com/wp-content/uploads/repository/"))
-					{
-						throw Slic3r::CriticalException(GUI::format("URL outside prusa3d.com network: %1%", url));
-					}
-					BOOST_LOG_TRIVIAL(info) << "Downloading resources missing in cache directory: " << vendor << " / " << filename;
-
-					const auto resource_url = format("%1%%2%%3%", url, url.back() == '/' ? "" : "/", filename); // vendor should already be in url 
-
-					if (!fs::exists(file_in_vendor.parent_path()))
-						fs::create_directory(file_in_vendor.parent_path());
-				
-					self.get_file(resource_url, file_in_vendor);
-					return;
-				}
-
-				if (!fs::exists(file_in_vendor.parent_path())) // create vendor_name dir in vendor 
-					fs::create_directory(file_in_vendor.parent_path());
-				
-				BOOST_LOG_TRIVIAL(debug) << "Copiing: " << file_in_cache << " to " << file_in_vendor;
-				copy_file_fix(file_in_cache, file_in_vendor);
-			};
-
+			
 			// check if any resorces of installed bundle are missing. If so, new ones should be already downloaded at cache/vendor_id/
-			auto vp = VendorProfile::from_ini(update.target, true);
+			VendorProfile vp;
+			try {
+				vp = VendorProfile::from_ini(update.target, true);
+			}
+			catch (const std::exception& e) {
+				BOOST_LOG_TRIVIAL(error) << format("Corrupted profile file for vendor %1%, message: %2%", update.target, e.what());
+				continue;
+			}
 			progress_dialog.Update(1, GUI::format_wxstr(_L("Downloading resources for %1%."),vp.id));
 			progress_dialog.Pulse();
 			for (const auto& model : vp.models) {
@@ -807,17 +1076,14 @@ bool PresetUpdater::priv::perform_updates(Updates &&updates, bool snapshot) cons
 						continue;
 					try
 					{
-						// for debug (wont pass check inside function)
-						//std::string fake_url = "https://github.com/kocikdav/PrusaSlicer-settings/raw/master/resources/" + vp.id;
-						get_and_copy_missing_resource(vp.id, resource, vendor_path, rsrc_path, cache_path, vp.config_update_url);
+						get_or_copy_missing_resource(vp.id, resource, vp.config_update_url);
 					}
 					catch (const std::exception& e)
 					{
 						BOOST_LOG_TRIVIAL(error) << "Failed to prepare " << resource << " for " << vp.id << " " << model.id << ": " << e.what();
 					}
 				}
-			}
-			
+			}	
 		}
 
 		progress_dialog.Destroy();
@@ -825,7 +1091,7 @@ bool PresetUpdater::priv::perform_updates(Updates &&updates, bool snapshot) cons
 
 	return true;
 }
-
+ 
 void PresetUpdater::priv::set_waiting_updates(Updates u)
 {
 	waiting_updates = u;
@@ -858,11 +1124,11 @@ void PresetUpdater::sync(const PresetBundle *preset_bundle)
 	// Unfortunatelly as of C++11, it needs to be copied again
 	// into the closure (but perhaps the compiler can elide this).
 	VendorMap vendors = preset_bundle->vendors;
-	std::string profile_archive_url =GUI::wxGetApp().app_config->profile_archive_url();
+	std::string index_archive_url = GUI::wxGetApp().app_config->index_archive_url();
 
-    p->thread = std::thread([this, vendors, profile_archive_url]() {
+    p->thread = std::thread([this, vendors, index_archive_url]() {
 		this->p->prune_tmps();
-		this->p->sync_config(std::move(vendors), profile_archive_url);
+		this->p->sync_config(std::move(vendors), index_archive_url);
     });
 }
 
@@ -1052,16 +1318,40 @@ bool PresetUpdater::install_bundles_rsrc_or_cache_vendor(std::vector<std::string
 		auto path_in_vendors = (p->vendor_path / bundle).replace_extension(".ini");
 
 		bool is_in_rsrc = fs::exists(path_in_rsrc);
-		bool is_in_cache_vendor = fs::exists(path_in_cache_vendor);
+		bool is_in_cache_vendor = fs::exists(path_in_cache_vendor) && !fs::is_empty(path_in_cache_vendor);
 
 		// find if in cache vendor is newer version than in resources
 		if (is_in_cache_vendor) {
-			auto version_cache = VendorProfile::from_ini(path_in_cache_vendor, false).config_version;
-			auto version_rsrc = !is_in_rsrc ? Semver::zero() : VendorProfile::from_ini(path_in_rsrc, false).config_version;
+			Semver version_cache = Semver::zero();
+			try {
+				auto vp_cache = VendorProfile::from_ini(path_in_cache_vendor, false);
+				version_cache = vp_cache.config_version;
+			}
+			catch (const std::exception& e) {
+				BOOST_LOG_TRIVIAL(error) << format("Corrupted profile file for vendor %1%, message: %2%", path_in_cache_vendor, e.what());
+				// lets use file in resources
+				if (is_in_rsrc) {
+					updates.updates.emplace_back(std::move(path_in_rsrc), std::move(path_in_vendors), Version(), "", "");
+				}
+				continue;
+			}
+			
+			Semver version_rsrc = Semver::zero();
+			try {
+				if (is_in_rsrc) {
+					auto vp = VendorProfile::from_ini(path_in_rsrc, false);
+					version_rsrc = vp.config_version;
+				}
+			}
+			catch (const std::exception& e) {
+				BOOST_LOG_TRIVIAL(error) << format("Corrupted profile file for vendor %1%, message: %2%", path_in_rsrc, e.what());
+				continue;
+			}
 
 			if (!is_in_rsrc || version_cache > version_rsrc) {
 				// in case we are installing from cache / vendor. we should also copy index to cache
 				// This needs to be done now bcs the current one would be missing this version on next start 
+				// dk: Should we copy it to vendor dir too?
 				auto path_idx_cache_vendor(path_in_cache_vendor);
 				path_idx_cache_vendor.replace_extension(".idx");
 				auto  path_idx_cache = (p->cache_path / bundle).replace_extension(".idx");
@@ -1121,4 +1411,9 @@ bool PresetUpdater::version_check_enabled() const
 	return p->enabled_version_check;
 }
 
+void PresetUpdater::update_index_db()
+{
+	p->update_index_db();
+}
+
 }
diff --git a/src/slic3r/Utils/PresetUpdater.hpp b/src/slic3r/Utils/PresetUpdater.hpp
index 5bcba615b..85875e5a3 100644
--- a/src/slic3r/Utils/PresetUpdater.hpp
+++ b/src/slic3r/Utils/PresetUpdater.hpp
@@ -53,6 +53,8 @@ public:
 	// Providing old slic3r version upgrade profiles on upgrade of an application even in case
 	// that the config index installed from the Internet is equal to the index contained in the installation package.
 	UpdateResult config_update(const Semver &old_slic3r_version, UpdateParams params) const;
+	
+	void update_index_db();
 
 	// "Update" a list of bundles from resources or cache/vendor (behaves like an online update).
 	bool install_bundles_rsrc_or_cache_vendor(std::vector<std::string> bundles, bool snapshot = true) const;