在 OnShape 中设计的,与笔记本电脑支架的 Thingiverse 模型相匹配: https://www.thingiverse.com/thing:2458297
OnShape 链接: https://cad.onshape.com/documents/9aba20c76b7e2b2c1b1ce7dc/w/a4a90d8e190e7dc4aaa1a0dc/e/e777e1b30464b71480bf64c3