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 element face 8 property list int int vertex_indices 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 3 2 4 0 3 5 2 0 3 4 3 0 3 3 5 0 3 1 4 2 3 5 1 2 3 1 3 4 3 5 3 1