diff --git a/Marlin/configuration_store.cpp b/Marlin/configuration_store.cpp
index eff32dc8d5..57a5e068a4 100644
--- a/Marlin/configuration_store.cpp
+++ b/Marlin/configuration_store.cpp
@@ -1066,7 +1066,7 @@ void MarlinSettings::reset() {
#if ENABLED(DELTA)
const float adj[ABC] = DELTA_ENDSTOP_ADJ,
- dta[3] = DELTA_TOWER_ANGLE_TRIM;
+ dta[ABC] = DELTA_TOWER_ANGLE_TRIM;
COPY(endstop_adj, adj);
delta_radius = DELTA_RADIUS;
delta_diagonal_rod = DELTA_DIAGONAL_ROD;
diff --git a/Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration.h b/Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration.h
index bb53080d8e..ccd039df89 100644
--- a/Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration.h
+++ b/Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration.h
@@ -446,28 +446,31 @@
// and processor overload (too many expensive sqrt calls).
#define DELTA_SEGMENTS_PER_SECOND 160
+ // NOTE NB all values for DELTA_* values MUST be floating point, so always have a decimal point in them
+
// Center-to-center distance of the holes in the diagonal push rods.
#define DELTA_DIAGONAL_ROD 218.0 // mm
-
+/*
// Horizontal offset from middle of printer to smooth rod center.
- //#define DELTA_SMOOTH_ROD_OFFSET 150.0 // mm
+ #define DELTA_SMOOTH_ROD_OFFSET 150.0 // mm
// Horizontal offset of the universal joints on the end effector.
- //#define DELTA_EFFECTOR_OFFSET 24.0 // mm
+ #define DELTA_EFFECTOR_OFFSET 24.0 // mm
// Horizontal offset of the universal joints on the carriages.
- //#define DELTA_CARRIAGE_OFFSET 22.0 // mm
-
+ #define DELTA_CARRIAGE_OFFSET 22.0 // mm
+*/
// Horizontal distance bridged by diagonal push rods when effector is centered.
- #define DELTA_RADIUS 100.90 //mm // get this value from auto calibrate
+ #define DELTA_RADIUS 100.00 //mm // get this value from auto calibrate
// height from z=0.00 to home position
- #define DELTA_HEIGHT 296.38 // get this value from auto calibrate
+ #define DELTA_HEIGHT 295.00 // get this value from auto calibrate - use G33 C-1 at 1st time calibration
// Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).
#define DELTA_PRINTABLE_RADIUS 85.0
// Delta calibration menu
+ // uncomment to add three points calibration menu option.
// See http://minow.blogspot.com/index.html#4918805519571907051
#define DELTA_CALIBRATION_MENU
@@ -477,7 +480,7 @@
// G33 Delta Auto-Calibration (Enable EEPROM_SETTINGS to store results)
#define DELTA_AUTO_CALIBRATION
#if ENABLED(DELTA_AUTO_CALIBRATION)
- #define DELTA_CALIBRATION_DEFAULT_POINTS 3 // set the default number of probe points : n*n (-2,1-7)
+ #define DELTA_CALIBRATION_DEFAULT_POINTS 4 // set the default number of probe points : n*n (-7 -> +7)
#endif
// After homing move down to a height where XY movement is unconstrained
@@ -529,7 +532,7 @@
// Mechanical endstop with COM to ground and NC to Signal uses "false" here (most common setup).
#define X_MIN_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
#define Y_MIN_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
-#define Z_MIN_ENDSTOP_INVERTING true // set to true to invert the logic of the endstop.
+#define Z_MIN_ENDSTOP_INVERTING true // set to true to invert the logic of the endstop.
#define X_MAX_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
#define Y_MAX_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
#define Z_MAX_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
@@ -601,7 +604,7 @@
#define DEFAULT_XJERK 20.0
#define DEFAULT_YJERK DEFAULT_XJERK
#define DEFAULT_ZJERK DEFAULT_YJERK // Must be same as XY for delta
-#define DEFAULT_EJERK 5.0
+#define DEFAULT_EJERK 5.0
/**
@@ -667,9 +670,6 @@
* is enabled then it also applies to Z_PROBE_SPEED_SLOW.
*/
-// A probe that is deployed and stowed with a solenoid pin (SOL1_PIN)
-//#define SOLENOID_PROBE
-
// Enable if you have a Z probe mounted on a sled like those designed by Charles Bell.
//#define Z_PROBE_SLED
//#define SLED_DOCKING_OFFSET 5 // The extra distance the X axis must travel to pickup the sled. 0 should be fine but you can push it further if you'd like.
@@ -694,8 +694,8 @@
* (0,0)
*/
#define X_PROBE_OFFSET_FROM_EXTRUDER 0 // X offset: -left +right [of the nozzle]
-#define Y_PROBE_OFFSET_FROM_EXTRUDER 0 // Y offset: -front +behind [the nozzle]
-#define Z_PROBE_OFFSET_FROM_EXTRUDER 0.25 // Z offset: -below +above [the nozzle]
+#define Y_PROBE_OFFSET_FROM_EXTRUDER 0 // Y offset: -front +behind [the nozzle]
+#define Z_PROBE_OFFSET_FROM_EXTRUDER 0.10 // Z offset: -below +above [the nozzle]
// X and Y axis travel speed (mm/m) between probes
#define XY_PROBE_SPEED 5000
@@ -704,7 +704,7 @@
#define Z_PROBE_SPEED_FAST HOMING_FEEDRATE_Z
// Speed for the "accurate" probe of each point
-#define Z_PROBE_SPEED_SLOW (Z_PROBE_SPEED_FAST / 4)
+#define Z_PROBE_SPEED_SLOW (Z_PROBE_SPEED_FAST / 6)
// Use double touch for probing
//#define PROBE_DOUBLE_TOUCH
@@ -728,7 +728,7 @@
#define Z_PROBE_ALLEN_KEY_DEPLOY_2_X 0.0
#define Z_PROBE_ALLEN_KEY_DEPLOY_2_Y DELTA_PRINTABLE_RADIUS
#define Z_PROBE_ALLEN_KEY_DEPLOY_2_Z 100.0
- #define Z_PROBE_ALLEN_KEY_DEPLOY_2_FEEDRATE (XY_PROBE_SPEED)/10
+ #define Z_PROBE_ALLEN_KEY_DEPLOY_2_FEEDRATE (XY_PROBE_SPEED/10)
#define Z_PROBE_ALLEN_KEY_DEPLOY_3_X Z_PROBE_ALLEN_KEY_DEPLOY_2_X * 0.75
#define Z_PROBE_ALLEN_KEY_DEPLOY_3_Y Z_PROBE_ALLEN_KEY_DEPLOY_2_Y * 0.75
@@ -834,8 +834,8 @@
* Example: `M851 Z-5` with a CLEARANCE of 4 => 9mm from bed to nozzle.
* But: `M851 Z+1` with a CLEARANCE of 2 => 2mm from bed to nozzle.
*/
-#define Z_CLEARANCE_DEPLOY_PROBE 10 // Z Clearance for Deploy/Stow
-#define Z_CLEARANCE_BETWEEN_PROBES 3 // Z Clearance between probe points
+#define Z_CLEARANCE_DEPLOY_PROBE 5 // Z Clearance for Deploy/Stow
+#define Z_CLEARANCE_BETWEEN_PROBES 2 // Z Clearance between probe points
// For M851 give a range for adjusting the Z probe offset
#define Z_PROBE_OFFSET_RANGE_MIN -20
@@ -864,11 +864,11 @@
// @section machine
// Invert the stepper direction. Change (or reverse the motor connector) if an axis goes the wrong way.
-#define INVERT_X_DIR true
+#define INVERT_X_DIR true // DELTA does not invert
#define INVERT_Y_DIR true
#define INVERT_Z_DIR true
-// Enable this option for Toshiba stepper drivers
+// Enable this option for Toshiba steppers
//#define CONFIG_STEPPERS_TOSHIBA
// @section extruder
@@ -966,7 +966,7 @@
*/
//#define AUTO_BED_LEVELING_3POINT
//#define AUTO_BED_LEVELING_LINEAR
-#define AUTO_BED_LEVELING_BILINEAR
+//#define AUTO_BED_LEVELING_BILINEAR
//#define AUTO_BED_LEVELING_UBL
//#define MESH_BED_LEVELING
@@ -987,8 +987,7 @@
#if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
// Set the number of grid points per dimension.
- // Works best with 5 or more points in each dimension.
- #define GRID_MAX_POINTS_X 9
+ #define GRID_MAX_POINTS_X 7
#define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
// Set the boundaries for probing (where the probe can reach).
@@ -999,12 +998,13 @@
#define BACK_PROBE_BED_POSITION DELTA_PROBEABLE_RADIUS
// The Z probe minimum outer margin (to validate G29 parameters).
- #define MIN_PROBE_EDGE 10
+ #define MIN_PROBE_EDGE 20
// Probe along the Y axis, advancing X after each column
//#define PROBE_Y_FIRST
#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
+
//
// Experimental Subdivision of the grid by Catmull-Rom method.
// Synthesizes intermediate points to produce a more detailed mesh.
@@ -1154,8 +1154,8 @@
// @section temperature
// Preheat Constants
-#define PREHEAT_1_TEMP_HOTEND 185
-#define PREHEAT_1_TEMP_BED 70
+#define PREHEAT_1_TEMP_HOTEND 195
+#define PREHEAT_1_TEMP_BED 60
#define PREHEAT_1_FAN_SPEED 0 // Value from 0 to 255
#define PREHEAT_2_TEMP_HOTEND 240
@@ -1401,6 +1401,7 @@
//
// Add individual axis homing items (Home X, Home Y, and Home Z) to the LCD menu.
//
+// INDIVIDUAL_AXIS_HOMING_MENU is incompatible with DELTA kinematics.
//#define INDIVIDUAL_AXIS_HOMING_MENU
//
@@ -1729,8 +1730,8 @@
#define FILAMENT_SENSOR_EXTRUDER_NUM 0 // Index of the extruder that has the filament sensor (0,1,2,3)
#define MEASUREMENT_DELAY_CM 14 // (cm) The distance from the filament sensor to the melting chamber
- #define MEASURED_UPPER_LIMIT 3.30 // (mm) Upper limit used to validate sensor reading
- #define MEASURED_LOWER_LIMIT 1.90 // (mm) Lower limit used to validate sensor reading
+ #define MEASURED_UPPER_LIMIT 1.95 // (mm) Upper limit used to validate sensor reading
+ #define MEASURED_LOWER_LIMIT 1.20 // (mm) Lower limit used to validate sensor reading
#define MAX_MEASUREMENT_DELAY 20 // (bytes) Buffer size for stored measurements (1 byte per cm). Must be larger than MEASUREMENT_DELAY_CM.
#define DEFAULT_MEASURED_FILAMENT_DIA DEFAULT_NOMINAL_FILAMENT_DIA // Set measured to nominal initially
diff --git a/Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration.h b/Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration.h
index dbcc9441ed..72721737b1 100644
--- a/Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration.h
+++ b/Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration.h
@@ -448,7 +448,7 @@
// Center-to-center distance of the holes in the diagonal push rods.
#define DELTA_DIAGONAL_ROD 218.0 // mm
-
+/*
// Horizontal offset from middle of printer to smooth rod center.
#define DELTA_SMOOTH_ROD_OFFSET 150.0 // mm
@@ -457,12 +457,12 @@
// Horizontal offset of the universal joints on the carriages.
#define DELTA_CARRIAGE_OFFSET 22.0 // mm
-
+*/
// Horizontal distance bridged by diagonal push rods when effector is centered.
- #define DELTA_RADIUS (DELTA_SMOOTH_ROD_OFFSET-(DELTA_EFFECTOR_OFFSET)-(DELTA_CARRIAGE_OFFSET))
+ #define DELTA_RADIUS 104 //mm // get this value from auto calibrate
// height from z=0.00 to home position
- #define DELTA_HEIGHT 280 // get this value from auto calibrate
+ #define DELTA_HEIGHT 280 // get this value from auto calibrate - use G33 C-1 at 1st time calibration
// Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).
#define DELTA_PRINTABLE_RADIUS 85.0
@@ -470,7 +470,7 @@
// Delta calibration menu
// uncomment to add three points calibration menu option.
// See http://minow.blogspot.com/index.html#4918805519571907051
- //#define DELTA_CALIBRATION_MENU
+ #define DELTA_CALIBRATION_MENU
// set the radius for the calibration probe points - max 0.8 * DELTA_PRINTABLE_RADIUS if DELTA_AUTO_CALIBRATION enabled
#define DELTA_CALIBRATION_RADIUS (DELTA_PRINTABLE_RADIUS - 17) // mm
@@ -478,7 +478,7 @@
// G33 Delta Auto-Calibration (Enable EEPROM_SETTINGS to store results)
#define DELTA_AUTO_CALIBRATION
#if ENABLED(DELTA_AUTO_CALIBRATION)
- #define DELTA_CALIBRATION_DEFAULT_POINTS 3 // set the default number of probe points : n*n (-2,1-7)
+ #define DELTA_CALIBRATION_DEFAULT_POINTS 3 // set the default number of probe points : n*n (-7 -> +7)
#endif
// After homing move down to a height where XY movement is unconstrained
diff --git a/Marlin/example_configurations/delta/generic/Configuration.h b/Marlin/example_configurations/delta/generic/Configuration.h
index 3fb5cf748d..d9c3750daf 100644
--- a/Marlin/example_configurations/delta/generic/Configuration.h
+++ b/Marlin/example_configurations/delta/generic/Configuration.h
@@ -438,7 +438,7 @@
// Center-to-center distance of the holes in the diagonal push rods.
#define DELTA_DIAGONAL_ROD 250.0 // mm
-
+/*
// Horizontal offset from middle of printer to smooth rod center.
#define DELTA_SMOOTH_ROD_OFFSET 175.0 // mm
@@ -447,29 +447,25 @@
// Horizontal offset of the universal joints on the carriages.
#define DELTA_CARRIAGE_OFFSET 18.0 // mm
-
+*/
// Horizontal distance bridged by diagonal push rods when effector is centered.
- #define DELTA_RADIUS (DELTA_SMOOTH_ROD_OFFSET-(DELTA_EFFECTOR_OFFSET)-(DELTA_CARRIAGE_OFFSET))
-
- // height from z=0.00 to home position
- #define DELTA_HEIGHT 250 // get this value from auto calibrate
+ #define DELTA_RADIUS 125 //mm // get this value from auto calibrate // height from z=0.00 to home position
+ #define DELTA_HEIGHT 250 // get this value from auto calibrate - use G33 C-1 at 1st time calibration
// Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).
#define DELTA_PRINTABLE_RADIUS 140.0
// Delta calibration menu
// See http://minow.blogspot.com/index.html#4918805519571907051
- //#define DELTA_CALIBRATION_MENU
-
-
+ #define DELTA_CALIBRATION_MENU
// set the radius for the calibration probe points - max 0.8 * DELTA_PRINTABLE_RADIUS if DELTA_AUTO_CALIBRATION enabled
- #define DELTA_CALIBRATION_RADIUS (DELTA_PRINTABLE_RADIUS - 17) // mm
+ #define DELTA_CALIBRATION_RADIUS (DELTA_PRINTABLE_RADIUS - 28) // mm
// G33 Delta Auto-Calibration (Enable EEPROM_SETTINGS to store results)
#define DELTA_AUTO_CALIBRATION
#if ENABLED(DELTA_AUTO_CALIBRATION)
- #define DELTA_CALIBRATION_DEFAULT_POINTS 3 // set the default number of probe points : n*n (-2,1-7)
+ #define DELTA_CALIBRATION_DEFAULT_POINTS 3 // set the default number of probe points : n*n (-7 -> +7)
#endif
// After homing move down to a height where XY movement is unconstrained
diff --git a/Marlin/example_configurations/delta/kossel_mini/Configuration.h b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
index 98acaa0de2..21f69f539b 100644
--- a/Marlin/example_configurations/delta/kossel_mini/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
@@ -438,7 +438,7 @@
// Center-to-center distance of the holes in the diagonal push rods.
#define DELTA_DIAGONAL_ROD 215.0 // mm
-
+/*
// Horizontal offset from middle of printer to smooth rod center.
#define DELTA_SMOOTH_ROD_OFFSET 145.0 // mm
@@ -447,27 +447,27 @@
// Horizontal offset of the universal joints on the carriages.
#define DELTA_CARRIAGE_OFFSET 19.5 // mm
-
+*/
// Horizontal distance bridged by diagonal push rods when effector is centered.
- #define DELTA_RADIUS (DELTA_SMOOTH_ROD_OFFSET-(DELTA_EFFECTOR_OFFSET)-(DELTA_CARRIAGE_OFFSET))
+ #define DELTA_RADIUS 105 //mm // get this value from auto calibrate
// height from z=0.00 to home position
- #define DELTA_HEIGHT 250 // get this value from auto calibrate
+ #define DELTA_HEIGHT 250 // get this value from auto calibrate - use G33 C-1 at 1st time calibration
// Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).
#define DELTA_PRINTABLE_RADIUS 90.0
// Delta calibration menu
// See http://minow.blogspot.com/index.html#4918805519571907051
- //#define DELTA_CALIBRATION_MENU
+ #define DELTA_CALIBRATION_MENU
// set the radius for the calibration probe points - max 0.8 * DELTA_PRINTABLE_RADIUS if DELTA_AUTO_CALIBRATION enabled
- #define DELTA_CALIBRATION_RADIUS (DELTA_PRINTABLE_RADIUS - 17) // mm
+ #define DELTA_CALIBRATION_RADIUS (DELTA_PRINTABLE_RADIUS - 18) // mm
// G33 Delta Auto-Calibration (Enable EEPROM_SETTINGS to store results)
#define DELTA_AUTO_CALIBRATION
#if ENABLED(DELTA_AUTO_CALIBRATION)
- #define DELTA_CALIBRATION_DEFAULT_POINTS 3 // set the default number of probe points : n*n (-2,1-7)
+ #define DELTA_CALIBRATION_DEFAULT_POINTS 3 // set the default number of probe points : n*n (-7 -> +7)
#endif
// After homing move down to a height where XY movement is unconstrained
diff --git a/Marlin/example_configurations/delta/kossel_pro/Configuration.h b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
index a086c70a3f..40231832c5 100644
--- a/Marlin/example_configurations/delta/kossel_pro/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
@@ -425,7 +425,7 @@
// Center-to-center distance of the holes in the diagonal push rods.
#define DELTA_DIAGONAL_ROD 301.0 // mm
-
+/*
// Horizontal offset from middle of printer to smooth rod center.
#define DELTA_SMOOTH_ROD_OFFSET 212.357 // mm
@@ -434,29 +434,27 @@
// Horizontal offset of the universal joints on the carriages.
#define DELTA_CARRIAGE_OFFSET 30.0 // mm
-
+*/
// Horizontal distance bridged by diagonal push rods when effector is centered.
- #define DELTA_RADIUS (DELTA_SMOOTH_ROD_OFFSET-(DELTA_EFFECTOR_OFFSET)-(DELTA_CARRIAGE_OFFSET))
+ #define DELTA_RADIUS 150 //mm // get this value from auto calibrate
// height from z=0.00 to home position
- #define DELTA_HEIGHT 277 // get this value from auto calibrate
+ #define DELTA_HEIGHT 277 // get this value from auto calibrate - use G33 C-1 at 1st time calibration
// Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).
#define DELTA_PRINTABLE_RADIUS 127.0
// Delta calibration menu
// See http://minow.blogspot.com/index.html#4918805519571907051
- //#define DELTA_CALIBRATION_MENU
-
-
+ #define DELTA_CALIBRATION_MENU
// set the radius for the calibration probe points - max 0.8 * DELTA_PRINTABLE_RADIUS if DELTA_AUTO_CALIBRATION enabled
- #define DELTA_CALIBRATION_RADIUS (DELTA_PRINTABLE_RADIUS - 17) // mm
+ #define DELTA_CALIBRATION_RADIUS (DELTA_PRINTABLE_RADIUS - 25.4) // mm
// G33 Delta Auto-Calibration (Enable EEPROM_SETTINGS to store results)
#define DELTA_AUTO_CALIBRATION
#if ENABLED(DELTA_AUTO_CALIBRATION)
- #define DELTA_CALIBRATION_DEFAULT_POINTS 3 // set the default number of probe points : n*n (-2,1-7)
+ #define DELTA_CALIBRATION_DEFAULT_POINTS 3 // set the default number of probe points : n*n (-7 -> +7)
#endif
// After homing move down to a height where XY movement is unconstrained
diff --git a/Marlin/example_configurations/delta/kossel_xl/Configuration.h b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
index c5e56355f1..70b10e4330 100644
--- a/Marlin/example_configurations/delta/kossel_xl/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
@@ -443,7 +443,7 @@
// Center-to-center distance of the holes in the diagonal push rods.
#define DELTA_DIAGONAL_ROD 317.3 + 2.5 // mm
-
+/*
// Horizontal offset from middle of printer to smooth rod center.
#define DELTA_SMOOTH_ROD_OFFSET 220.1 // mm
@@ -452,27 +452,27 @@
// Horizontal offset of the universal joints on the carriages.
#define DELTA_CARRIAGE_OFFSET 22.0 // mm
-
+*/
// Horizontal distance bridged by diagonal push rods when effector is centered.
- #define DELTA_RADIUS (DELTA_SMOOTH_ROD_OFFSET-(DELTA_EFFECTOR_OFFSET)-(DELTA_CARRIAGE_OFFSET) + 1)
+ #define DELTA_RADIUS 175 //mm // get this value from auto calibrate
// height from z=0.00 to home position
- #define DELTA_HEIGHT 380 // get this value from auto calibrate
+ #define DELTA_HEIGHT 380 // get this value from auto calibrate - use G33 C-1 at 1st time calibration
// Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).
#define DELTA_PRINTABLE_RADIUS 140.0
// Delta calibration menu
// See http://minow.blogspot.com/index.html#4918805519571907051
- //#define DELTA_CALIBRATION_MENU
+ #define DELTA_CALIBRATION_MENU
// set the radius for the calibration probe points - max 0.8 * DELTA_PRINTABLE_RADIUS if DELTA_AUTO_CALIBRATION enabled
- #define DELTA_CALIBRATION_RADIUS (DELTA_PRINTABLE_RADIUS - 17) // mm
+ #define DELTA_CALIBRATION_RADIUS (DELTA_PRINTABLE_RADIUS - 28) // mm
// G33 Delta Auto-Calibration (Enable EEPROM_SETTINGS to store results)
#define DELTA_AUTO_CALIBRATION
#if ENABLED(DELTA_AUTO_CALIBRATION)
- #define DELTA_CALIBRATION_DEFAULT_POINTS 3 // set the default number of probe points : n*n (-2,1-7)
+ #define DELTA_CALIBRATION_DEFAULT_POINTS 3 // set the default number of probe points : n*n (-7 -> +7)
#endif
// After homing move down to a height where XY movement is unconstrained