mtllib ./backz_square.mtl

g s.0112
usemap StandardDF0000
usemtl StandardDF0000
v 0.2 -0.19999806 0.19999844
v -0.2 0.20000232 0.19999872
v -0.2 -0.19999788 0.19999876
v 0.2 -0.19999806 0.19999844
v 0.2 0.2000022 0.19999844
v -0.2 0.20000232 0.19999872

vn -00 00 -01
vn -00 00 -01
vn -00 00 -01
vn -00 00 -01
vn -00 00 -01
vn -00 00 -01

vt 00 00
vt 01 01
vt 00 01
vt 00 00
vt 01 00
vt 01 01

usemap StandardDF0000
usemtl StandardDF0000
f  3/3/1 2/2/1 1/1/1 
f  2/2/1 5/5/1 1/1/1