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Todo.
打开Blender，打开用户偏好设置下的插件栏。
Click Mesh then Bsurfaces GPL Edition to enable the script.
参考
网格
Modeling and retopology tool.
3D View Edit Mode ‣ Sidebar ‣ Edit tab
mesh_bsurfaces.py
Eclectiel, Spivak Vladimir (cwolf3d)