# tetrahedron.obj created by hand. # g tetrahedron v 1.00 1.00 1.00 v 2.00 1.00 1.00 v 1.00 2.00 1.00 v 1.00 1.00 2.00 f 1 3 2 f 1 4 3 f 1 2 4 f 2 3 4