{
    "pre":[
        "M117 Heating                 ; announce heating",
        "M107                         ; turn off filament cooling fan",
        "M104 S{temp} T0              ; set extruder temperature",
        "M140 S{bed_temp} T0          ; set bed temperature",
        "G90                          ; set absolute positioning mode",
        "M83                          ; set relative positioning for extruder",
        "G28                          ; home axes",
        "G1 F3000                     ; set default move speed",
        "M190 S{bed_temp} T0          ; wait for bed to reach target temp",
        "M109 S{temp} T0              ; wait for extruder to reach target temp",
        "M117 Purge                   ; announce purge",
        "G92 E0                       ; set extruder position to 0",
        "G1 E20 F250                  ; purge 20mm from extruder",
        "G1 X0 Y0 Z0 E1 F3000         ; move to origin / wipe",
        "M117 Start Print             ; announce start of print"
    ],
    "post":[
        "M117 Done           ; announce done",
        "M107                ; turn off filament cooling fan",
        "M104 S0 T0          ; turn off extruder",
        "M140 S0 T0          ; turn off bed",
        "G91                 ; relative movement",
        "G1 Z10 F1200        ; drop bed 10mm",
        "G90                 ; absolute positioning",
        "G28 X0 Y0           ; home XY axes",
        "M84                 ; disable stepper motors"
    ],
    "cmd":{
        "fan_power": "M106 S{fan_speed}",
        "progress": "M117 {progress}% layer {layer} / {layers}"
    },
    "settings":{
        "image_url": "/decal/gridbot.png",
        "image_anchor": 0,
        "image_scale": 1,
        "origin_center": false,
        "bed_width": 300,
        "bed_depth": 300,
        "build_height": 300
    }
}