{ "file-ext": "gcode", "token-space": " ", "pre":[ "G21 ; set units to MM (required)", "G90 ; absolute position mode (required)" ], "post":[ "M30 ; program end" ], "laser-on":[ "M106 S{power}" ], "laser-off":[ "M107" ], "settings": { "bed_width": 300, "bed_depth": 300 } }