These model can be used to learn pral caviti anatomy3D PRINT FILE SETTINGS (FOR 0.4 MM NOZZLE)● Line Width/ Nozzle: 0.4 mm● First Layer Line Width: 0.48 mm / 120%● Average Speed: 20mm/s (First Layer) / 50mm/s (All the other layers) | 20 mm/s (First Layer) / 500 mm/s (All the other layers on Bambu Lab)● Recommended Initial Layer Height: 0.12 mm● Recommended Layer Height: 0.12 mm● Recommended Perimeters/ Walls: 3.● Recommended Infill (%): 10% (Gyroid)● Needs Support: No.● Build Plate Adhesion: Skirt.