{ "type": "machine_model", "name": "Prusa MK4", "model_id": "MK4", "nozzle_diameter": "0.25;0.4;0.6;0.8", "machine_tech": "FFF", "family": "Prusa", "bed_model": "mk4_bed.stl", "bed_texture": "mk4is.svg", "hotend_model": "", "default_materials": "Generic PLA-CF @Prusa;Generic PC @Prusa;Generic PVA @Prusa;Generic PA @Prusa;Generic PA-CF @Prusa;Generic ABS @Prusa MK4;Generic PLA @Prusa MK4;Generic PETG @Prusa MK4;Generic TPU @Prusa MK4;Generic ASA @Prusa MK4;" }