{ "version": 2, "name": "Extruder 2", "inherits": "fdmextruder", "metadata": { "machine": "geeetech_A20M", "position": "1" }, "overrides": { "extruder_nr": { "default_value": 1, "maximum_value": "1" }, "machine_nozzle_size": { "default_value": 0.4 }, "material_diameter": { "default_value": 1.75 } } }