#scale 9.090648
newmtl floor
Ka  0.5 0.5 0.5 
Kd  0.4 0.4 0.4
Ks  0 0 0 
r 0.7
d  1

newmtl ceiling
Ka  0.5 0.5 0.5 
Kd  0.4 0.4 0.4
Ks  0 0 0 
d  1

newmtl back
Ka  0.5 0.5 0.5 
Kd  0.4 0.4 0.4
Ks  0 0 0 
d  1

newmtl green
Ka  0 0.5 0
Kd  0 0.5 0
Ks  0 0 0
d  1

newmtl red
Ka  0.5 0 0
Kd  0.5 0 0
Ks  0.5 0 0
d  1

newmtl short_box
Ka  0.6 0.6 0.6
Kd  0.5 0.5 0.5
Ks  0 0 0
d  1

newmtl tall_box
Ka  0.6 0.6 0.6
Kd  0.5 0.5 0.5
Ks  0 0 0
d  1

# units are watts/nm^2
newmtl light
Ka 1.8 1.5 0.9
Kd 14.4 12.0 7.2
Ks  2 2 2