Jan 19, 2020: I think the code is now working pretty much as it was when I stopped maintaining it back in 2016. I jotted a brief summary and posted a current ...

brep作为opencascade官方推出的格式，内核对其解析会更快。 参考：https://www.opencascade.com/doc/occt-7.3.0/overview/html/occt_user_guides__brep ...