G28
G1 Z15 F300 		;move extruder up 15mm at 5mm/s
G90      			;absolute positioning
M82     			;set extruder to absolute mode
M107   				;start with the fan off
M163 S0 P0.33
M163 S1 P0.33
M163 S2 P0.33
M164 S4
M104 S{print_temperature} 		;Set extruder temperature
M190 S{print_bed_temperature}	;Set bed temperature
M109 S{print_temperature}		;Set extruder temperature and wait
G92 E0       					;Reset extruder position(zero the extruded length)
G0 X1.5 Y20 F2100				;Move nozzle at 35mm/s
G1 Z0.8 F300 					;Move Z Axis up little to prevent scratching of Heat Bed
G1 X180 E60 F300 				;Move nozzle at 5mm/s and extrude filament 60mm
G1 Z5 F300 						;Move Z Axis up 5mm at 5mm/s
G92 E0       					;Reset extruder position(zero the extruded length)
T0              				;Switch to the first extruder

G91
G1 E-2 F1500 			;retract the filament a bit before lifting the nozzle, to release some of the pressure
G1 Z5 F300   			;move Z up a bit and retract filament even more
G90               		;absolute positioning
G92 E0         			;Reset extruder position(zero the extruded length)
G0 X1.0 Y200 F2000;
M140 S0      			;turn off bed
M84            			;disable motors
M104 S0      			;turn off extruder
M107          			;off fan
T0               		;Switch to the first extruder
M84            			;disable motors

;Switch between the current extruder and the next extruder, when printing with multiple extruders.
;This code is added before the T(n)

;Switch between the current extruder and the next extruder, when printing with multiple extruders.
;This code is added after the T(n)

START 2
G21        ;metric values
G90        ;absolute positioning
M107       ;start with the fan off
G28 X0 Y0  ;move X/Y to min endstops
G28 Z0     ;move Z to min endstops
G1 Z15.0 F{travel_speed} ;move the platform down 15mm
T1                      ;Switch to the 2nd extruder
G92 E0                  ;zero the extruded length
G1 F200 E10             ;extrude 10mm of feed stock
G92 E0                  ;zero the extruded length again
G1 F200 E-{retraction_dual_amount}
T0                      ;Switch to the first extruder
G92 E0                  ;zero the extruded length
G1 F200 E10             ;extrude 10mm of feed stock
G92 E0                  ;zero the extruded length again
G1 F{travel_speed}
;Put printing message on LCD screen
M117 Printing...

END2
;End GCode
M104 T0 S0                     ;extruder heater off
M104 T1 S0                     ;extruder heater off
M140 S0                     ;heated bed heater off (if you have it)
G91                                    ;relative positioning
G1 E-1 F300                            ;retract the filament a bit before lifting the nozzle, to release some of the pressure
G1 Z+0.5 E-5 X-20 Y-20 F{travel_speed} ;move Z up a bit and retract filament even more
G28 X0 Y0                              ;move X/Y to min endstops, so the head is out of the way
M84                         ;steppers off
G90                         ;absolute positioning
;{profile_string}

START 3
G21        ;metric values
G90        ;absolute positioning
M107       ;start with the fan off
G28 X0 Y0  ;move X/Y to min endstops
G28 Z0     ;move Z to min endstops
G1 Z15.0 F{travel_speed} ;move the platform down 15mm
T2                      ;Switch to the 2nd extruder
G92 E0                  ;zero the extruded length
G1 F200 E10             ;extrude 10mm of feed stock
G92 E0                  ;zero the extruded length again
G1 F200 E-{retraction_dual_amount}
T1                      ;Switch to the 2nd extruder
G92 E0                  ;zero the extruded length
G1 F200 E10             ;extrude 10mm of feed stock
G92 E0                  ;zero the extruded length again
G1 F200 E-{retraction_dual_amount}
T0                      ;Switch to the first extruder
G92 E0                  ;zero the extruded length
G1 F200 E10             ;extrude 10mm of feed stock
G92 E0                  ;zero the extruded length again
G1 F{travel_speed}
;Put printing message on LCD screen
M117 Printing...

END 3
;End GCode
M104 T0 S0                     ;extruder heater off
M104 T1 S0                     ;extruder heater off
M104 T2 S0                     ;extruder heater off
M140 S0                     ;heated bed heater off (if you have it)
G91                                    ;relative positioning
G1 E-1 F300                            ;retract the filament a bit before lifting the nozzle, to release some of the pressure
G1 Z+0.5 E-5 X-20 Y-20 F{travel_speed} ;move Z up a bit and retract filament even more
G28 X0 Y0                              ;move X/Y to min endstops, so the head is out of the way
M84                         ;steppers off
G90                         ;absolute positioning
;{profile_string}