ply
format ascii 1.0
element vertex 6
property float x
property float y
property float z
element face 4
property list uchar int vertex_indices
end_header
0 1 0
0 -1 0
-1 0 0
0 0 -1
1 0 0
0 0 1
3 0 1 2
3 0 3 1
3 0 1 4
3 0 5 1