ply
format ascii 1.0
element vertex 6
property float x
property float y
property float z
property uchar diffuse_red
property uchar diffuse_green
property uchar diffuse_blue
end_header
1.5 0 0 255 0 0
-1.5 0 0 255 255 0
0 1.5 0 255 255 255
0 -1.5 0 255 0 255
0 0 1.5 0 0 255
0 0 -1.5 0 255 255