ref: 11b9c1697a3fd518c8b133544f0abbdb915a2491 dir: /mdl/quad.obj/
v -100 -100 0 v 100 -100 0 v -100 100 0 v 100 100 0 vt 0 0 vt 1 0 vt 0 1 vt 1 1 f 1/1 2/2 3/3 f 4/4 3/3 2/2