{ "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": "Prusa Generic PLA-CF;Prusa Generic PC;Prusa Generic PVA;Prusa Generic PA;Prusa Generic PA-CF;Prusa Generic ABS @MK4;Prusa Generic PLA @MK4;Prusa Generic PETG @MK4;Prusa Generic TPU @MK4;Prusa Generic ASA @MK4;" }