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