red </font = face number (for 3D figures, number of front face is printed below the figure) blue </font = node number green </font = edge number (arrow gives edge direction) The 3D face ordering is such that the right-hand-normals of all facets point outward. **Supported Element Types** | Type | Diagram | Nodes for faces | Edges for face | | ------------- | ------------- | ------------- | ------------- | | Node (point) | | 0 | 0 | | Line | | 1
2 | 0 | | Triangle | | 2, 3
3, 1
1, 2 | 3
2
1 | | Quad | | 1, 2
2, 3
3, 4
4, 1 | 1
3
4
2 | | Tetrahedron | | 2 ,3, 4
1, 4, 3
1, 2, 4
1, 3, 2 | 6, 5, 4
6, 2, 3
5, 3, 1
4, 1, 2 | | Pyramid | | 1, 4, 3, 2
1, 2, 5
2, 3, 5
3, 4, 5
4, 1, 5 | 2, 6, 4, 1
1, 5, 3
4, 7, 5
6, 8, 7
2, 3, 8 | | Prism | | 1, 3, 2
4, 5, 6
1, 2, 5, 4
2, 3, 6, 5
1, 4, 6, 3 | 2, 4, 1
7, 9, 8
1, 5, 7, 3
4, 6, 9, 5
3, 8, 6, 2 | | Hexahedron | | 1, 4, 3, 2
5, 6, 7, 8
1, 2, 6, 5
2, 3, 7, 6
3, 4, 8, 7
1, 5, 8, 4 | 2, 6, 4, 1
9, 11, 12, 10
1, 5, 9, 3
4, 7 , 11, 5
6, 8, 12, 7
3, 10, 8, 2 |