ply format ascii 1.0 comment created by platoply element vertex 6 property float32 x property float32 y property float32 z element face 8 property list uint8 int32 vertex_indices end_header 1 0 0 0 -1 0 -1 0 0 0 1 0 0 0 1 0 0 -1 3 4 0 1 3 4 1 2 3 4 2 3 3 4 3 0 3 5 1 0 3 5 2 1 3 5 3 2 3 5 0 3