ply
format ascii 1.0
element vertex 5
property float32 x
property float32 y
property float32 z
element face 3
property list uint8 int32 vertex_indices
end_header
-5 -5  -3 
-2.5 -5  0
0  6 -3 
2.5 -5   0
5  -5 -3
3 0 1 2
3 1 3 2
3 3 4 2



