mtllib obj_singletexture.mtl

g Group0
o Object0

usemtl Material0

v 0 0 0
v 1 0 0
v 1 1 0
v 0 1 0

vn 0 0 1
vn 0 0 1
vn 0 0 1
vn 0 0 1

vt 0 0
vt 1 0
vt 1 1
vt 0 1

f 1/1/1 2/2/2 3/3/3
f 1/1/1 3/3/3 4/4/4
