v 1.000000 0.0 -1.000000 v -1.000000 0.0 -1.000000 v -1.000000 0.0 1.000000 v 1.000000 0.0 1.000000 vt 0.0 0.0 vt 0.0 1.0 vt 1.0 0.0 vt 1.0 1.0 vn 0.000000 1.000000 0.000000 f 1 2 1 2 4 1 3 3 1 f 1 2 1 3 3 1 4 1 1
