1mtllib quad.1.mtl 2o quad.1.obj 3v 1.500000 0.500000 -0.000000 4v 2.500000 0.500000 -0.000000 5v 1.500000 -0.500000 0.000000 6v 2.500000 -0.500000 0.000000 7vn 0.000000 -0.707106 0.707106 8vn 0.000000 -0.707106 0.707106 9vn 0.000000 -0.707106 0.707106 10vn 0.000000 -0.707106 0.707106 11vt 0.004950 0.004950 12vt 0.995049 0.004950 13vt 0.995049 0.995049 14vt 0.004950 0.995049 15g quad 16usemtl Default 17f 3/1/3 4/2/4 2/3/2 1/4/1 18