{ "pre":[ "T{tool} ; select extruder #0", "M104 S{temp} ; set nozzle temp", "M109 S{temp} ; wait for nozzle to heat", "G21 ; set units to millimeters", "M82 ; absolute extrusion mode", "G28 ; home", "G1 Z15 F6000 ; lower platform 15mm", "G92 E0 ; zero out extruder position", "G1 F200 E3 ; prime the extruder 3mm" ], "post":[ "M107 ; fan off", "M104 S0 ; set nozzle temp to 0", "M140 S0 ; set bed temp to 0", "G92 E0 ; zero out extruder position", "G1 E-1 F300 ; retract filament", "G28 X0 Y0 ; home X Y", "M84 ; disable steppers" ], "cmd":{ "fan_power": "M106 S{fan_speed}" }, "settings":{ "origin_center": false, "extrude_abs": true, "bed_width": 150, "bed_depth": 150, "build_height": 150 } }