v 0.5 0.5 0.5
v -0.5 0.5 0.5
v -0.5 -0.5 0.5
v 0.5 -0.5 0.5
v -0.5 -0.5 -0.5
v 0.5 -0.5 -0.5
vt 1 1
vt 0 1
vt 0 0
vt 1 0
vn 0 0 1
vn 0 -1 0
vn 0 0.707 -0.707
vn -1 0 0
vn 1 0 0
g 1
s off
f 1/1/1 2/2/1 3/3/1 4/4/1
f 4/3/2 3/4/2 5/1/2 6/2/2
f 2/1/3 1/2/3 6/3/3 5/4/3
g 2
f 2/1/4 5/3/4 3/4/4
f 1/2/5 4/3/5 6/4/5