ply
format ascii 1.0
element vertex 12
property float x
property float y
property float z
element face 13
property list uchar int vertex_indices
end_header
1 0 0
3 0 0
5 0 0
0 2 0
2 2 0
4 2 0
6 2 0
1 4 0
3 4 0
5 4 0
2 6 0
4 6 0
3 0 4 3
3 0 1 4
3 1 5 4
3 1 2 5
3 2 6 5
3 3 4 7
3 4 8 7
3 4 5 8
3 5 9 8
3 5 6 9
3 7 8 10
3 8 11 10
3 8 9 11