TetGen A Quality Tetrahedral Mesh Generator and a 3D Delaunay Triangulator Research Group Numerical Mathematics and Scientific Computing Weierstrass Institute for Applied Analysis and Stochastics (WIAS) Mohrenstr. 39, 10117 Berlin, Germany Introduction TetGen is a program to generate tetrahedral meshes of any 3D polyhedral domains. TetGen generates exact constrained Delaunay tetrahedralizations, b