算法1 Laplacian Smoothing
https://github.com/pyvista/pyvista
- https://docs.pyvista.org/api/core/_autosummary/pyvista.polydatafilters.smooth_taubin
https://github.com/mikedh/trimesh
算法2 Remeshing
Isotropic Remeshing
https://github.com/cnr-isti-vclab/PyMeshLab
- https://pymeshlab.readthedocs.io/en/latest/filter_list.html#meshing_isotropic_explicit_remeshing