[filament:3D-Fuel PET-CF @HF0.6] inherits = 3D-Fuel PET-CF @PG 0.6; *PET06HF* filament_max_volumetric_speed = 10 ; [filament:3D-Fuel PET-CF @MK4S HF0.4] ; inherits = 3D-Fuel PET-CF @HF0.4; *PETHF4S*