Onshape Featurescript:
https://www.onshape.com/features/custom-features
內建功能原始碼:
https://cad.onshape.com/documents/12312312345abcabcabcdeff
教學:
https://cad.onshape.com/FsDoc/index.html
https://cadlab.mde.tw/post/tag/featurescript.html
外力公式:
https://www.sciencedirect.com/science/article/pii/S0020768313002205#e0030