o Plane
v -1.0 -1.0 0.0
v 1.0 -1.0 0.0
v -1.0 1.0 0.0
v 1.0 1.0 0.0
vt 0 0
vt 1 0
vt 1 1
vt 0 1
vn 0 0 1
s off
f 1/1/1 2/2/1 4/3/1 3/4/1