使用PETG耗材，层高0.2，弹簧和收纳舱一定要添加裙边防止打印失败。本设计无需添加支撑，没有五金配件，全部为3D打印件。

Use PETG consumables with a layer height of 0.2, and be sure to add skirt edges to the spring and storage compartment to prevent printing failure. This design does not require any additional support, there are no hardware accessories, and all are 3D printed parts.