g raw

# Floor
v -1.0 -1.0 -1.0 
vt 0.0 0.0
vn 0.0 1.0 0.0
v -1.0 -1.0  1.0  
vt 0.0 1.0
vn 0.0 1.0 0.0
v 1.0 -1.0  1.0
vt 1.0 1.0
vn 0.0 1.0 0.0
v -1.0 -1.0 -1.0  
vt 0.0 0.0
vn 0.0 1.0 0.0
v 1.0 -1.0  1.0  
vt 1.0 1.0
vn 0.0 1.0 0.0
v 1.0 -1.0 -1.0
vt 1.0 0.0
vn 0.0 1.0 0.0

# Left Wall
v -1.0 -1.0 -1.0 
vt 0.0 0.0
vn 1.0 0.0 0.0
v -1.0  1.0 -1.0 
vt 0.0 1.0
vn 1.0 0.0 0.0
v -1.0 -1.0  1.0
vt 1.0 0.0
vn 1.0 0.0 0.0

# Right Wall
v 1.0 -1.0 -1.0  
vt 0.0 0.0
vn -1.0 0.0 0.0
v 1.0 -1.0  1.0 
vt 1.0 0.0
vn -1.0 0.0 0.0
v  1.0  1.0 -1.0
vt 0.0 1.0
vn -1.0 0.0 0.0

# Back Wall
v -1.0 -1.0 -1.0  
vt 0.0 0.0
vn 0.0 0.0 1.0
v 1.0 -1.0 -1.0 
vt 1.0 0.0
vn 0.0 0.0 1.0
v -1.0  1.0 -1.0
vt 0.0 1.0
vn 0.0 0.0 1.0
v -1.0  1.0 -1.0  
vt 0.0 1.0
vn 0.0 0.0 1.0
v 1.0 -1.0 -1.0  
vt 1.0 0.0
vn 0.0 0.0 1.0
v 1.0  1.0 -1.0
vt 1.0 1.0
vn 0.0 0.0 1.0

f 1/1/1 2/2/2 3/3/3
f 4/4/4 5/5/5 6/6/6
f 7/7/7 8/8/8 9/9/9
f 10/10/10 11/11/11 12/12/12
f 13/13/13 14/14/14 15/15/15
f 16/16/16 17/17/17 18/18/18