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