[filament:3D-Fuel PET-CF @PG 0.6] inherits = *3D-Fuel PET-CF*; *PET06PG* filament_max_volumetric_speed = 10 ; [filament:3D-Fuel PET-CF @MK4S] ; inherits = 3D-Fuel PET-CF @PG; *PETPG4S* ; min_fan_speed = 10 ; max_fan_speed = 20 ; filament_max_volumetric_speed = 10