三维建模软件blender的源码，用到了c, c++和python-source code of 3d modeling software: blender

abaqus建立三维椭球模型，主要用于有限元细观力学分析，建立几何模型(Abaqus establishes 3d ellipsoid model, which is mainly used for finite element mesomechanical analysis and geometric model establishment)