Normal classes: HEMeshEdgeC Half edge in mesh. HEMeshC Half Edge Mesh HEMeshFaceEdgeIterC Iterate through edges around a face. HEMeshVertexIterC Mesh vertex iterator. HEMeshVertexEdgeIterC Iterate through edges around a vertex. HEMeshFaceIterC Mesh face iterator. Develop classes: HEMeshEdgeBodyC Half edge in mesh. HEMeshBodyC Half Edge Mesh Body HEMeshVertexBodyC Vertex body.