{ "type": "machine_model", "name": "Creality CR-M4", "model_id": "Creality-CR-M4", "nozzle_diameter": "0.4", "machine_tech": "FFF", "family": "Creality", "bed_model": "creality_crm4_buildplate_model.stl", "bed_texture": "creality_crm4_buildplate_texture.png", "hotend_model": "", "default_materials": "Creality Generic PLA;Creality Generic PETG;Creality Generic ABS" }