g Quad
v -0.5 -1.11022302E-16 0
v 0.5 1.11022302E-16 0
v 0.5 1.11022302E-16 1
v -0.5 -1.11022302E-16 1
v -0.5 -1.11022302E-16 0
v -0.5 -1.11022302E-16 1
v 0.5 1.11022302E-16 1
v 0.5 1.11022302E-16 0
vt 0 0
vt 0 1
vt 1 1
vt 1 0
vt 0 0
vt 1 0
vt 1 1
vt 0 1
vn -0 1 0
vn -0 1 0
vn -0 1 0
vn -0 1 0
vn -0 -1 0
vn -0 -1 0
vn -0 -1 0
vn -0 -1 0
g Quad_0
f 3/3/3 2/2/2 1/1/1
f 4/4/4 3/3/3 1/1/1
f 7/7/7 6/6/6 5/5/5
f 8/8/8 7/7/7 5/5/5