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