mtllib obj_multitexture.mtl
v 0.0 0.0 0.0
v 1.0 0.0 0.0
v 2.0 0.0 0.0
v 2.0 1.0 0.0
v 1.0 1.0 0.0
v 0.0 1.0 0.0
v 3.0 0.0 0.0
v 3.0 1.0 0.0
# second square texture
vt 0.0 0.5
vt 0.5 0.5
vt 0.5 1.0
vt 0.0 1.0
#third square texture
vt 0.0 0.0
vt 0.5 0.0
vt 0.5 0.5
vt 0.0 0.5
# no texture
f 1 2 5 6
usemtl texture_1
f 2/1 3/1 4/3 5/4
usemtl texture_0
f 3/5 7/6 8/7 4/8
