{ "type": "machine_model", "name": "Rolohaun Delta Flyer Refit", "model_id": "RDFR1_1", "nozzle_diameter": "0.4", "machine_tech": "FFF", "family": "RolohaunDesign", "bed_model": "", "bed_texture": "bedtexture-rook-green-120.png", "hotend_model": "", "default_materials": "Generic PLA @System;Generic PETG @System" }