ply
format ascii 1.0
comment created by MATLAB ply_write
element vertex 5
property float x
property float y
property float z
element face 6
property list uchar char vertex_indices
end_header
0.000000 0.000000 0.000000 
1.000000 0.000000 0.000000 
1.000000 1.000000 0.000000 
0.000000 1.000000 0.000000 
0.500000 0.500000 1.600000 
3 2 1 4 
3 2 4 3 
3 1 2 5 
3 1 5 4 
3 4 5 3 
3 2 3 5