{ "type": "machine", "name": "Bambu Lab H2D 0.4 nozzle template layer_change_gcode", "instantiation": "false", "layer_change_gcode": ";======== H2D 20250710 layer_change ========\n; 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\n" }