ply format ascii 1.0 element vertex 8 property float32 x property float32 y property float32 z element face 6 property list uint8 int32 vertex_index end_header 0 0 0 0 0 1 0 1 1 0 1 0 1 0 0 1 0 1 1 1 1 1 1 0 4 0 1 2 3 4 7 6 5 4 4 0 4 5 1 4 1 5 6 2 4 2 6 7 3 4 3 7 4 0
