diff --git a/resources/profiles/PrusaResearch.ini b/resources/profiles/PrusaResearch.ini
index 319a9f4a0..f8f2fc2f5 100644
--- a/resources/profiles/PrusaResearch.ini
+++ b/resources/profiles/PrusaResearch.ini
@@ -3690,12 +3690,14 @@ inherits = *PETPG*
 compatible_printers_condition = printer_notes=~/.*PG.*/ and nozzle_diameter[0]==0.6
 filament_max_volumetric_speed = 17
 slowdown_below_layer_time = 12
+filament_retract_length = 0.9
 
 [filament:*PET08PG*]
 inherits = *PETPG*
 compatible_printers_condition = printer_notes=~/.*PG.*/ and nozzle_diameter[0]==0.8
 filament_max_volumetric_speed = 22
 slowdown_below_layer_time = 18
+filament_retract_length = 0.8
 
 [filament:*04PLUS*]
 compatible_printers_condition = nozzle_diameter[0]>=0.4 and ! single_extruder_multi_material and printer_notes!~/.*PG.*/
@@ -3945,23 +3947,42 @@ filament_retract_lift = 0
 filament_wipe = 0
 
 [filament:*FLEXPG*]
-filament_max_volumetric_speed = 4
+filament_max_volumetric_speed = 3.5
 filament_retract_speed = 60
 filament_deretract_speed = 20
 filament_retract_before_travel = 2
-compatible_printers_condition = printer_notes=~/.*PG.*/ and nozzle_diameter[0]>=0.3 and nozzle_diameter[0]!=0.6 and nozzle_diameter[0]!=0.8
+compatible_printers_condition = printer_model=="XL" and nozzle_diameter[0]>=0.3 and nozzle_diameter[0]!=0.6 and nozzle_diameter[0]!=0.8
 ## idle_temperature = 170
 start_filament_gcode = "M900 K0 ; Filament gcode\n\nM142 S36 ; set heatbreak target temp"
 
 [filament:*FLEX06PG*]
 inherits = *FLEXPG*
-filament_max_volumetric_speed = 6.5
-compatible_printers_condition = printer_notes=~/.*PG.*/ and nozzle_diameter[0]==0.6
+filament_max_volumetric_speed = 4.5
+compatible_printers_condition = printer_model=="XL" and nozzle_diameter[0]==0.6
 
 [filament:*FLEX08PG*]
 inherits = *FLEXPG*
+filament_max_volumetric_speed = 8
+compatible_printers_condition = printer_model=="XL" and nozzle_diameter[0]==0.8
+
+[filament:*FLEXMK4*]
+filament_max_volumetric_speed = 4
+filament_retract_speed = 60
+filament_deretract_speed = 20
+filament_retract_before_travel = 2
+compatible_printers_condition = printer_model=="MK4" and nozzle_diameter[0]>=0.3 and nozzle_diameter[0]!=0.6 and nozzle_diameter[0]!=0.8
+## idle_temperature = 170
+start_filament_gcode = "M900 K0 ; Filament gcode\n\nM142 S36 ; set heatbreak target temp"
+
+[filament:*FLEX06MK4*]
+inherits = *FLEXMK4*
+filament_max_volumetric_speed = 6.5
+compatible_printers_condition = printer_model=="MK4" and nozzle_diameter[0]==0.6
+
+[filament:*FLEX08MK4*]
+inherits = *FLEXMK4*
 filament_max_volumetric_speed = 9
-compatible_printers_condition = printer_notes=~/.*PG.*/ and nozzle_diameter[0]==0.8
+compatible_printers_condition = printer_model=="MK4" and nozzle_diameter[0]==0.8
 
 [filament:ColorFabb bronzeFill]
 inherits = *PLA*; *04PLUS*
@@ -4236,15 +4257,28 @@ compatible_printers_condition = nozzle_diameter[0]>0.35 and printer_model!="MINI
 
 [filament:ColorFabb nGen flex @PG]
 inherits = ColorFabb nGen flex; *FLEXPG*
-filament_max_volumetric_speed = 7
+filament_max_volumetric_speed = 6
 filament_retract_length = 2.5
 
 [filament:ColorFabb nGen flex @PG 0.6]
 inherits = ColorFabb nGen flex; *FLEX06PG*
-filament_max_volumetric_speed = 9
+filament_max_volumetric_speed = 7
 
 [filament:ColorFabb nGen flex @PG 0.8]
 inherits = ColorFabb nGen flex; *FLEX08PG*
+filament_max_volumetric_speed = 10
+
+[filament:ColorFabb nGen flex @MK4]
+inherits = ColorFabb nGen flex; *FLEXMK4*
+filament_max_volumetric_speed = 7
+filament_retract_length = 2.5
+
+[filament:ColorFabb nGen flex @MK4 0.6]
+inherits = ColorFabb nGen flex; *FLEX06MK4*
+filament_max_volumetric_speed = 9
+
+[filament:ColorFabb nGen flex @MK4 0.8]
+inherits = ColorFabb nGen flex; *FLEX08MK4*
 filament_max_volumetric_speed = 12
 
 [filament:Kimya PETG Carbon]
@@ -5186,6 +5220,17 @@ inherits = Extrudr Flex Hard @PG; *FLEX06PG*
 [filament:Extrudr Flex Hard @PG 0.8]
 inherits = Extrudr Flex Hard @PG; *FLEX08PG*
 
+[filament:Extrudr Flex Hard @MK4]
+inherits = Extrudr Flex Hard; *FLEXMK4*
+extrusion_multiplier = 1.1
+filament_retract_length = 2.5
+
+[filament:Extrudr Flex Hard @MK4 0.6]
+inherits = Extrudr Flex Hard @MK4; *FLEX06MK4*
+
+[filament:Extrudr Flex Hard @MK4 0.8]
+inherits = Extrudr Flex Hard @MK4; *FLEX08MK4*
+
 [filament:Extrudr Flex Medium]
 inherits = *FLEX*
 filament_vendor = Extrudr
@@ -5212,6 +5257,17 @@ inherits = Extrudr Flex Medium @PG; *FLEX06PG*
 [filament:Extrudr Flex Medium @PG 0.8]
 inherits = Extrudr Flex Medium @PG; *FLEX08PG*
 
+[filament:Extrudr Flex Medium @MK4]
+inherits = Extrudr Flex Medium; *FLEXMK4*
+extrusion_multiplier = 1.1
+filament_retract_length = 2.5
+
+[filament:Extrudr Flex Medium @MK4 0.6]
+inherits = Extrudr Flex Medium @MK4; *FLEX06MK4*
+
+[filament:Extrudr Flex Medium @MK4 0.8]
+inherits = Extrudr Flex Medium @MK4; *FLEX08MK4*
+
 [filament:Extrudr Flex SemiSoft]
 inherits = *FLEX*
 filament_vendor = Extrudr
@@ -5241,6 +5297,20 @@ filament_max_volumetric_speed = 5
 inherits = Extrudr Flex SemiSoft @PG; *FLEX08PG*
 filament_max_volumetric_speed = 8
 
+[filament:Extrudr Flex SemiSoft @MK4]
+inherits = Extrudr Flex SemiSoft; *FLEXMK4*
+extrusion_multiplier = 1.1
+filament_retract_length = 3
+filament_max_volumetric_speed = 3
+
+[filament:Extrudr Flex SemiSoft @MK4 0.6]
+inherits = Extrudr Flex SemiSoft @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 5
+
+[filament:Extrudr Flex SemiSoft @MK4 0.8]
+inherits = Extrudr Flex SemiSoft @MK4; *FLEX08MK4*
+filament_max_volumetric_speed = 8
+
 [filament:addnorth Adamant S1]
 inherits = *FLEX*
 filament_vendor = addnorth
@@ -5277,12 +5347,27 @@ filament_retract_lift = 0.2
 
 [filament:addnorth Adamant S1 @PG 0.6]
 inherits = addnorth Adamant S1 @PG; *FLEX06PG*
-filament_max_volumetric_speed = 5.5
+filament_max_volumetric_speed = 4.5
 
 [filament:addnorth Adamant S1 @PG 0.8]
 inherits = addnorth Adamant S1 @PG; *FLEX08PG*
 filament_max_volumetric_speed = 9
 
+[filament:addnorth Adamant S1 @MK4]
+inherits = addnorth Adamant S1; *FLEXMK4*
+filament_max_volumetric_speed = 3
+filament_retract_length = 1.5
+filament_retract_restart_extra = 0
+filament_retract_lift = 0.2
+
+[filament:addnorth Adamant S1 @MK4 0.6]
+inherits = addnorth Adamant S1 @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 5.5
+
+[filament:addnorth Adamant S1 @MK4 0.8]
+inherits = addnorth Adamant S1 @MK4; *FLEX08MK4*
+filament_max_volumetric_speed = 9
+
 [filament:addnorth Adura X]
 inherits = *PET*
 filament_vendor = addnorth
@@ -5479,6 +5564,19 @@ filament_max_volumetric_speed = 6
 inherits = addnorth OBC Polyethylene @PG; *FLEX08PG*
 filament_max_volumetric_speed = 10
 
+[filament:addnorth OBC Polyethylene @MK4]
+inherits = addnorth OBC Polyethylene; *FLEXMK4*
+filament_max_volumetric_speed = 4
+filament_retract_length = 1.5
+
+[filament:addnorth OBC Polyethylene @MK4 0.6]
+inherits = addnorth OBC Polyethylene @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 6
+
+[filament:addnorth OBC Polyethylene @MK4 0.8]
+inherits = addnorth OBC Polyethylene @MK4; *FLEX08MK4*
+filament_max_volumetric_speed = 10
+
 [filament:addnorth PETG]
 inherits = *PET*
 filament_vendor = addnorth
@@ -6021,10 +6119,32 @@ extrusion_multiplier = 1.08
 
 [filament:Generic FLEX @PG 0.6]
 inherits = Generic FLEX @PG; *FLEX06PG*
-filament_max_volumetric_speed = 6
+filament_max_volumetric_speed = 4
 
 [filament:Generic FLEX @PG 0.8]
 inherits = Generic FLEX @PG; *FLEX08PG*
+filament_max_volumetric_speed = 8
+
+[filament:Generic FLEX @MK4]
+inherits = Generic FLEX; *FLEXMK4*
+filament_max_volumetric_speed = 3
+filament_retract_length = 2.5
+fan_always_on = 1
+min_fan_speed = 30
+max_fan_speed = 30
+cooling = 1
+filament_retract_lift = 0
+slowdown_below_layer_time = 10
+first_layer_temperature = 230
+temperature = 230
+extrusion_multiplier = 1.08
+
+[filament:Generic FLEX @MK4 0.6]
+inherits = Generic FLEX @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 6
+
+[filament:Generic FLEX @MK4 0.8]
+inherits = Generic FLEX @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 9
 
 [filament:Fillamentum Flexfill 92A]
@@ -6046,16 +6166,30 @@ full_fan_speed_layer = 6
 
 [filament:Fillamentum Flexfill 92A @PG]
 inherits = Fillamentum Flexfill 92A; *FLEXPG*
-filament_max_volumetric_speed = 3.5
+filament_max_volumetric_speed = 3
 extrusion_multiplier = 1.1
 filament_retract_length = 3.5
 
 [filament:Fillamentum Flexfill 92A @PG 0.6]
 inherits = Fillamentum Flexfill 92A @PG; *FLEX06PG*
-filament_max_volumetric_speed = 6.5
+filament_max_volumetric_speed = 4.5
 
 [filament:Fillamentum Flexfill 92A @PG 0.8]
 inherits = Fillamentum Flexfill 92A @PG; *FLEX08PG*
+filament_max_volumetric_speed = 8
+
+[filament:Fillamentum Flexfill 92A @MK4]
+inherits = Fillamentum Flexfill 92A; *FLEXMK4*
+filament_max_volumetric_speed = 3.5
+extrusion_multiplier = 1.1
+filament_retract_length = 3.5
+
+[filament:Fillamentum Flexfill 92A @MK4 0.6]
+inherits = Fillamentum Flexfill 92A @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 6.5
+
+[filament:Fillamentum Flexfill 92A @MK4 0.8]
+inherits = Fillamentum Flexfill 92A @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 10
 
 [filament:AmazonBasics TPU]
@@ -6092,10 +6226,23 @@ extrusion_multiplier = 1.1
 
 [filament:AmazonBasics TPU @PG 0.6]
 inherits = AmazonBasics TPU @PG; *FLEX06PG*
-filament_max_volumetric_speed = 6.5
+filament_max_volumetric_speed = 5
 
 [filament:AmazonBasics TPU @PG 0.8]
 inherits = AmazonBasics TPU @PG; *FLEX08PG*
+filament_max_volumetric_speed = 8
+
+[filament:AmazonBasics TPU @MK4]
+inherits = AmazonBasics TPU; *FLEXMK4*
+filament_retract_length = 2.5
+extrusion_multiplier = 1.1
+
+[filament:AmazonBasics TPU @MK4 0.6]
+inherits = AmazonBasics TPU @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 6.5
+
+[filament:AmazonBasics TPU @MK4 0.8]
+inherits = AmazonBasics TPU @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 10
 
 [filament:SainSmart TPU]
@@ -6134,10 +6281,25 @@ filament_retract_length = 1.5
 
 [filament:SainSmart TPU @PG 0.6]
 inherits = SainSmart TPU @PG; *FLEX06PG*
-filament_max_volumetric_speed = 7
+filament_max_volumetric_speed = 6
 
 [filament:SainSmart TPU @PG 0.8]
 inherits = SainSmart TPU @PG; *FLEX08PG*
+filament_max_volumetric_speed = 9
+
+[filament:SainSmart TPU @MK4]
+inherits = SainSmart TPU; *FLEXMK4*
+filament_max_volumetric_speed = 5
+first_layer_temperature = 235
+temperature = 235
+filament_retract_length = 1.5
+
+[filament:SainSmart TPU @MK4 0.6]
+inherits = SainSmart TPU @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 7
+
+[filament:SainSmart TPU @MK4 0.8]
+inherits = SainSmart TPU @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 10
 
 [filament:NinjaTek NinjaFlex TPU]
@@ -6169,16 +6331,30 @@ cooling = 1
 
 [filament:NinjaTek NinjaFlex TPU @PG]
 inherits = NinjaTek NinjaFlex TPU; *FLEXPG*
-filament_max_volumetric_speed = 3.5
+filament_max_volumetric_speed = 3
 filament_retract_length = 3.5
 extrusion_multiplier = 1.12
 
 [filament:NinjaTek NinjaFlex TPU @PG 0.6]
 inherits = NinjaTek NinjaFlex TPU @PG; *FLEX06PG*
-filament_max_volumetric_speed = 6.5
+filament_max_volumetric_speed = 4.5
 
 [filament:NinjaTek NinjaFlex TPU @PG 0.8]
 inherits = NinjaTek NinjaFlex TPU @PG; *FLEX08PG*
+filament_max_volumetric_speed = 8
+
+[filament:NinjaTek NinjaFlex TPU @MK4]
+inherits = NinjaTek NinjaFlex TPU; *FLEXMK4*
+filament_max_volumetric_speed = 3.5
+filament_retract_length = 3.5
+extrusion_multiplier = 1.12
+
+[filament:NinjaTek NinjaFlex TPU @MK4 0.6]
+inherits = NinjaTek NinjaFlex TPU @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 6.5
+
+[filament:NinjaTek NinjaFlex TPU @MK4 0.8]
+inherits = NinjaTek NinjaFlex TPU @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 10
 
 [filament:NinjaTek Cheetah TPU]
@@ -6194,15 +6370,28 @@ temperature = 240
 
 [filament:NinjaTek Cheetah TPU @PG]
 inherits = NinjaTek Cheetah TPU; *FLEXPG*
-filament_max_volumetric_speed = 6
+filament_max_volumetric_speed = 5
 filament_retract_length = 2.2
 
 [filament:NinjaTek Cheetah TPU @PG 0.6]
 inherits = NinjaTek Cheetah TPU @PG; *FLEX06PG*
-filament_max_volumetric_speed = 8
+filament_max_volumetric_speed = 7
 
 [filament:NinjaTek Cheetah TPU @PG 0.8]
 inherits = NinjaTek Cheetah TPU @PG; *FLEX08PG*
+filament_max_volumetric_speed = 10
+
+[filament:NinjaTek Cheetah TPU @MK4]
+inherits = NinjaTek Cheetah TPU; *FLEXMK4*
+filament_max_volumetric_speed = 6
+filament_retract_length = 2.2
+
+[filament:NinjaTek Cheetah TPU @MK4 0.6]
+inherits = NinjaTek Cheetah TPU @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 8
+
+[filament:NinjaTek Cheetah TPU @MK4 0.8]
+inherits = NinjaTek Cheetah TPU @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 12
 
 [filament:NinjaTek Cheetah TPU @MINI]
@@ -6256,6 +6445,19 @@ filament_max_volumetric_speed = 5
 inherits = Filatech FilaFlex40 @PG; *FLEX08PG*
 filament_max_volumetric_speed = 10
 
+[filament:Filatech FilaFlex40 @MK4]
+inherits = Filatech FilaFlex40; *FLEXMK4*
+filament_max_volumetric_speed = 4
+filament_retract_length = 2.5
+
+[filament:Filatech FilaFlex40 @MK4 0.6]
+inherits = Filatech FilaFlex40 @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 5
+
+[filament:Filatech FilaFlex40 @MK4 0.8]
+inherits = Filatech FilaFlex40 @MK4; *FLEX08MK4*
+filament_max_volumetric_speed = 10
+
 [filament:Filatech FilaFlex30]
 inherits = Filatech FilaFlex40
 temperature = 225
@@ -6270,10 +6472,23 @@ filament_retract_length = 3
 
 [filament:Filatech FilaFlex30 @PG 0.6]
 inherits = Filatech FilaFlex30 @PG; *FLEX06PG*
-filament_max_volumetric_speed = 7
+filament_max_volumetric_speed = 5
 
 [filament:Filatech FilaFlex30 @PG 0.8]
 inherits = Filatech FilaFlex30 @PG; *FLEX08PG*
+filament_max_volumetric_speed = 8
+
+[filament:Filatech FilaFlex30 @MK4]
+inherits = Filatech FilaFlex30; *FLEXMK4*
+filament_max_volumetric_speed = 3.5
+filament_retract_length = 3
+
+[filament:Filatech FilaFlex30 @MK4 0.6]
+inherits = Filatech FilaFlex30 @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 7
+
+[filament:Filatech FilaFlex30 @MK4 0.8]
+inherits = Filatech FilaFlex30 @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 10
 
 [filament:Filatech FilaFlex55]
@@ -6318,16 +6533,30 @@ temperature = 235
 
 [filament:Filatech TPU @PG]
 inherits = Filatech TPU; *FLEXPG*
-filament_max_volumetric_speed = 5.5
+filament_max_volumetric_speed = 4.5
 first_layer_temperature = 235
 filament_retract_length = 2.2 
 
 [filament:Filatech TPU @PG 0.6]
 inherits = Filatech TPU @PG; *FLEX06PG*
-filament_max_volumetric_speed = 7
+filament_max_volumetric_speed = 5
 
 [filament:Filatech TPU @PG 0.8]
 inherits = Filatech TPU @PG; *FLEX08PG*
+filament_max_volumetric_speed = 8
+
+[filament:Filatech TPU @MK4]
+inherits = Filatech TPU; *FLEXMK4*
+filament_max_volumetric_speed = 5.5
+first_layer_temperature = 235
+filament_retract_length = 2.2 
+
+[filament:Filatech TPU @MK4 0.6]
+inherits = Filatech TPU @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 7
+
+[filament:Filatech TPU @MK4 0.8]
+inherits = Filatech TPU @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 10
 
 [filament:Filatech ABS]
@@ -7246,10 +7475,26 @@ filament_retract_length = 3.5
 
 [filament:Ultrafuse TPU-85A @PG 0.6]
 inherits = Ultrafuse TPU-85A @PG; *FLEX06PG*
-filament_max_volumetric_speed = 6
+filament_max_volumetric_speed = 4
 
 [filament:Ultrafuse TPU-85A @PG 0.8]
 inherits = Ultrafuse TPU-85A @PG; *FLEX08PG*
+filament_max_volumetric_speed = 7
+
+[filament:Ultrafuse TPU-85A @MK4]
+inherits = Ultrafuse TPU-85A; *FLEXMK4*
+filament_max_volumetric_speed = 3
+extrusion_multiplier = 1.1
+first_layer_temperature = 220
+temperature = 215
+filament_retract_length = 3.5
+
+[filament:Ultrafuse TPU-85A @MK4 0.6]
+inherits = Ultrafuse TPU-85A @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 6
+
+[filament:Ultrafuse TPU-85A @MK4 0.8]
+inherits = Ultrafuse TPU-85A @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 8
 
 [filament:Ultrafuse TPU-95A]
@@ -7266,10 +7511,23 @@ filament_retract_length = 3
 
 [filament:Ultrafuse TPU-95A @PG 0.6]
 inherits = Ultrafuse TPU-95A @PG; *FLEX06PG*
-filament_max_volumetric_speed = 5
+filament_max_volumetric_speed = 3.5
 
 [filament:Ultrafuse TPU-95A @PG 0.8]
 inherits = Ultrafuse TPU-95A @PG; *FLEX08PG*
+filament_max_volumetric_speed = 6
+
+[filament:Ultrafuse TPU-95A @MK4]
+inherits = Ultrafuse TPU-95A; *FLEXMK4*
+filament_max_volumetric_speed = 2.5
+filament_retract_length = 3
+
+[filament:Ultrafuse TPU-95A @MK4 0.6]
+inherits = Ultrafuse TPU-95A @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 5
+
+[filament:Ultrafuse TPU-95A @MK4 0.8]
+inherits = Ultrafuse TPU-95A @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 7
 
 [filament:Ultrafuse rPET]
@@ -7785,21 +8043,21 @@ inherits = Prusament PETG Carbon Fiber @PG; *PET06PG*
 [filament:Prusament PETG Carbon Fiber @PG 0.8]
 inherits = Prusament PETG Carbon Fiber @PG; *PET08PG*
 
-[filament:Prusament PETG Tungsten 75%]
-inherits = *PET*
-filament_vendor = Prusa Polymers
-filament_colour = #BBBBBB
-first_layer_temperature = 255
-temperature = 265
-filament_cost = 277.09
-filament_density = 4
-filament_spool_weight = 201
-filament_type = PETG
-compatible_printers_condition = nozzle_diameter[0]>=0.4 and printer_model!="MK2SMM" and printer_model!="MINI" and printer_notes!~/.*PG.*/ and ! (printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK(2.5|3).*/ and single_extruder_multi_material)
-cooling = 0
-min_fan_speed = 50
-max_fan_speed = 70
-start_filament_gcode = "M900 K{if nozzle_diameter[0]==0.4}0.01{else}0{endif} ; Filament gcode LA 1.5\n{if printer_notes=~/.*PRINTER_MODEL_MINI.*/};{elsif nozzle_diameter[0]==0.4}M900 K12{else}M900 K0{endif} ; Filament gcode LA 1.0"
+## [filament:Prusament PETG Tungsten 75%]
+## inherits = *PET*
+## filament_vendor = Prusa Polymers
+## filament_colour = #BBBBBB
+## first_layer_temperature = 255
+## temperature = 265
+## filament_cost = 277.09
+## filament_density = 4
+## filament_spool_weight = 201
+## filament_type = PETG
+## compatible_printers_condition = nozzle_diameter[0]>=0.4 and printer_model!="MK2SMM" and printer_model!="MINI" and printer_notes!~/.*PG.*/ and ! (printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK(2.5|3).*/ and single_extruder_multi_material)
+## cooling = 0
+## min_fan_speed = 50
+## max_fan_speed = 70
+## start_filament_gcode = "M900 K{if nozzle_diameter[0]==0.4}0.01{else}0{endif} ; Filament gcode LA 1.5\n{if printer_notes=~/.*PRINTER_MODEL_MINI.*/};{elsif nozzle_diameter[0]==0.4}M900 K12{else}M900 K0{endif} ; Filament gcode LA 1.0"
 
 ## [filament:Prusament PETG Tungsten 75% @PG]
 ## inherits = Prusament PETG Tungsten 75%; *PETPG*
@@ -8127,6 +8385,17 @@ inherits = Eolas Prints TPU 93A @PG; *FLEX06PG*
 [filament:Eolas Prints TPU 93A @PG 0.8]
 inherits = Eolas Prints TPU 93A @PG; *FLEX08PG*
 
+[filament:Eolas Prints TPU 93A @MK4]
+inherits = Eolas Prints TPU 93A; *FLEXMK4*
+extrusion_multiplier = 1.1
+filament_retract_length = 2.5
+
+[filament:Eolas Prints TPU 93A @MK4 0.6]
+inherits = Eolas Prints TPU 93A @MK4; *FLEX06MK4*
+
+[filament:Eolas Prints TPU 93A @MK4 0.8]
+inherits = Eolas Prints TPU 93A @MK4; *FLEX08MK4*
+
 [filament:Print With Smile PLA]
 inherits = *PLA*
 filament_vendor = Print With Smile
@@ -8296,14 +8565,27 @@ filament_deretract_speed = 20
 [filament:Print With Smile TPU96A @PG]
 inherits = Print With Smile TPU96A; *FLEXPG*
 filament_retract_length = 2
-filament_max_volumetric_speed = 3
+filament_max_volumetric_speed = 2.5
 
 [filament:Print With Smile TPU96A @PG 0.6]
 inherits = Print With Smile TPU96A @PG; *FLEX06PG*
-filament_max_volumetric_speed = 5
+filament_max_volumetric_speed = 3.5
 
 [filament:Print With Smile TPU96A @PG 0.8]
 inherits = Print With Smile TPU96A @PG; *FLEX08PG*
+filament_max_volumetric_speed = 7
+
+[filament:Print With Smile TPU96A @MK4]
+inherits = Print With Smile TPU96A; *FLEXMK4*
+filament_retract_length = 2
+filament_max_volumetric_speed = 3
+
+[filament:Print With Smile TPU96A @MK4 0.6]
+inherits = Print With Smile TPU96A @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 5
+
+[filament:Print With Smile TPU96A @MK4 0.8]
+inherits = Print With Smile TPU96A @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 8
 
 [filament:Fiberlogy Easy PLA]
@@ -8517,7 +8799,7 @@ filament_spool_weight = 330
 
 [filament:Fiberlogy FiberFlex 40D @PG]
 inherits = Fiberlogy FiberFlex 40D; *FLEXPG*
-filament_max_volumetric_speed = 4
+filament_max_volumetric_speed = 3
 filament_retract_length = 2.2
 extrusion_multiplier = 1.1
 first_layer_temperature = 220
@@ -8525,10 +8807,26 @@ temperature = 220
 
 [filament:Fiberlogy FiberFlex 40D @PG 0.6]
 inherits = Fiberlogy FiberFlex 40D @PG; *FLEX06PG*
-filament_max_volumetric_speed = 6
+filament_max_volumetric_speed = 4.5
 
 [filament:Fiberlogy FiberFlex 40D @PG 0.8]
 inherits = Fiberlogy FiberFlex 40D @PG; *FLEX08PG*
+filament_max_volumetric_speed = 9
+
+[filament:Fiberlogy FiberFlex 40D @MK4]
+inherits = Fiberlogy FiberFlex 40D; *FLEXMK4*
+filament_max_volumetric_speed = 4
+filament_retract_length = 2.2
+extrusion_multiplier = 1.1
+first_layer_temperature = 220
+temperature = 220
+
+[filament:Fiberlogy FiberFlex 40D @MK4 0.6]
+inherits = Fiberlogy FiberFlex 40D @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 6
+
+[filament:Fiberlogy FiberFlex 40D @MK4 0.8]
+inherits = Fiberlogy FiberFlex 40D @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 10
 
 [filament:Fiberlogy FiberFlex 40D @MINI]
@@ -8562,15 +8860,28 @@ filament_retract_length = 1.2
 
 [filament:Fiberlogy MattFlex 40D @PG]
 inherits = Fiberlogy MattFlex 40D; *FLEXPG*
-filament_max_volumetric_speed = 4
+filament_max_volumetric_speed = 3
 filament_retract_length = 2.2
 
 [filament:Fiberlogy MattFlex 40D @PG 0.6]
 inherits = Fiberlogy MattFlex 40D @PG; *FLEX06PG*
-filament_max_volumetric_speed = 6
+filament_max_volumetric_speed = 4.5
 
 [filament:Fiberlogy MattFlex 40D @PG 0.8]
 inherits = Fiberlogy MattFlex 40D @PG; *FLEX08PG*
+filament_max_volumetric_speed = 8
+
+[filament:Fiberlogy MattFlex 40D @MK4]
+inherits = Fiberlogy MattFlex 40D; *FLEXMK4*
+filament_max_volumetric_speed = 4
+filament_retract_length = 2.2
+
+[filament:Fiberlogy MattFlex 40D @MK4 0.6]
+inherits = Fiberlogy MattFlex 40D @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 6
+
+[filament:Fiberlogy MattFlex 40D @MK4 0.8]
+inherits = Fiberlogy MattFlex 40D @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 10
 
 [filament:Fiberlogy FiberFlex 30D]
@@ -8586,7 +8897,7 @@ filament_retract_length = 1.2
 
 [filament:Fiberlogy FiberFlex 30D @PG]
 inherits = Fiberlogy FiberFlex 30D; *FLEXPG*
-filament_max_volumetric_speed = 3.5
+filament_max_volumetric_speed = 2.5
 filament_retract_length = 3
 first_layer_temperature = 220
 temperature = 220
@@ -8596,10 +8907,28 @@ extrusion_multiplier = 1.1
 
 [filament:Fiberlogy FiberFlex 30D @PG 0.6]
 inherits = Fiberlogy FiberFlex 30D @PG; *FLEX06PG*
-filament_max_volumetric_speed = 7
+filament_max_volumetric_speed = 5
 
 [filament:Fiberlogy FiberFlex 30D @PG 0.8]
 inherits = Fiberlogy FiberFlex 30D @PG; *FLEX08PG*
+filament_max_volumetric_speed = 8
+
+[filament:Fiberlogy FiberFlex 30D @MK4]
+inherits = Fiberlogy FiberFlex 30D; *FLEXMK4*
+filament_max_volumetric_speed = 3.5
+filament_retract_length = 3
+first_layer_temperature = 220
+temperature = 220
+first_layer_bed_temperature = 55
+bed_temperature = 55
+extrusion_multiplier = 1.1
+
+[filament:Fiberlogy FiberFlex 30D @MK4 0.6]
+inherits = Fiberlogy FiberFlex 30D @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 7
+
+[filament:Fiberlogy FiberFlex 30D @MK4 0.8]
+inherits = Fiberlogy FiberFlex 30D @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 10
 
 [filament:Fiberlogy FiberSatin]
@@ -9162,16 +9491,30 @@ filament_deretract_speed = 20
 
 [filament:Fillamentum Flexfill 98A @PG]
 inherits = Fillamentum Flexfill 98A; *FLEXPG*
-filament_max_volumetric_speed = 3
+filament_max_volumetric_speed = 2.5
 filament_retract_length = 3
 extrusion_multiplier = 1.08
 
 [filament:Fillamentum Flexfill 98A @PG 0.6]
 inherits = Fillamentum Flexfill 98A @PG; *FLEX06PG*
-filament_max_volumetric_speed = 5
+filament_max_volumetric_speed = 3
 
 [filament:Fillamentum Flexfill 98A @PG 0.8]
 inherits = Fillamentum Flexfill 98A @PG; *FLEX08PG*
+filament_max_volumetric_speed = 8
+
+[filament:Fillamentum Flexfill 98A @MK4]
+inherits = Fillamentum Flexfill 98A; *FLEXMK4*
+filament_max_volumetric_speed = 3
+filament_retract_length = 3
+extrusion_multiplier = 1.08
+
+[filament:Fillamentum Flexfill 98A @MK4 0.6]
+inherits = Fillamentum Flexfill 98A @MK4; *FLEX06MK4*
+filament_max_volumetric_speed = 4
+
+[filament:Fillamentum Flexfill 98A @MK4 0.8]
+inherits = Fillamentum Flexfill 98A @MK4; *FLEX08MK4*
 filament_max_volumetric_speed = 10
 
 [filament:ColorFabb VarioShore TPU]
@@ -9189,6 +9532,10 @@ temperature = 220
 inherits = ColorFabb VarioShore TPU; *FLEXPG*
 filament_max_volumetric_speed = 1.5
 
+[filament:ColorFabb VarioShore TPU @MK4]
+inherits = ColorFabb VarioShore TPU; *FLEXMK4*
+filament_max_volumetric_speed = 1.5
+
 [filament:Taulman Bridge]
 inherits = *common*
 filament_vendor = Taulman
@@ -9918,12 +10265,12 @@ filament_cost = 54.99
 filament_colour = #BBBBBB
 compatible_printers_condition = printer_model=="MINI" and nozzle_diameter[0]>=0.4 and nozzle_diameter[0]!=0.8 and nozzle_diameter[0]!=0.6
 
-[filament:Prusament PETG Tungsten 75% @MINI]
-inherits = Prusament PETG Tungsten 75%; *PETMINI*
-full_fan_speed_layer = 5
-start_filament_gcode = "M900 K0"
-filament_colour = #BBBBBB
-compatible_printers_condition = nozzle_diameter[0]>=0.4 and printer_model=="MINI"
+## [filament:Prusament PETG Tungsten 75% @MINI]
+## inherits = Prusament PETG Tungsten 75%; *PETMINI*
+## full_fan_speed_layer = 5
+## start_filament_gcode = "M900 K0"
+## filament_colour = #BBBBBB
+## compatible_printers_condition = nozzle_diameter[0]>=0.4 and printer_model=="MINI"
 
 [filament:Kimya PETG Carbon @MINI]
 inherits = Kimya PETG Carbon; *PETMINI*