{
    "pre":[
        "M104 S{temp}     ; set extruder temperature",
        "M140 S{bed_temp} ; set bed temperature",
        "G28              ; Home",
        "G1 F5000 Z50     ; lift nozzle",
        "G0 X0 Y-100 Z50  ; parking",
        "G0 Z20           ; parking",
        "G92 E0           ; zero the extruded length",
        "G1 F200 E3       ; extrude 3mm of feed stock"
    ],
    "post":[
        "M107             ; turn off filament cooling fan",
        "M104 S0          ; turn off right extruder",
        "M140 S0          ; turn off bed"
    ],
    "cmd":{
        "fan_power": "M106 S{fan_speed}"
    },
    "settings":{
        "origin_center": true,
        "bed_width": 210,
        "bed_depth": 210,
        "bed_circle": true,
        "build_height": 320
    }
}