{ "type": "machine", "name": "Bambu Lab A1 0.4 nozzle template layer_change_gcode", "instantiation": "false", "layer_change_gcode": "; layer num/total_layer_count: {layer_num+1}/[total_layer_count]\n; update layer progress\nM73 L{layer_num+1}\nM991 S0 P{layer_num} ;notify layer change" }