几何库

Geometric Tools Engine

https://www.geometrictools.com/Downloads/Downloads.html

CGAL

https://www.cgal.org/

文档
https://doc.cgal.org/latest/Manual/packages.html

OCCT

https://dev.opencascade.org/

libgl

https://libigl.github.io/tutorial/

openMesh

https://www.graphics.rwth-aachen.de/software/openmesh/documentation/