总结

用于存放可重复使用口罩的挂钩。
On-shape 链接：https://cad.onshape.com/documents/a29c233ee02e1f641356e6ae/w/4f51b3828d0a31cae81bd575/e/1057b6a1faa7f609848354fc?renderMode=0&uiState=6158d7119a31ab10a1171f01

仅打印底座和4个零件