newmtl Red
Ka 0.000000 0.000000 0.000000
Kd 0.800000 0.000000 0.000000
Ks 0.500000 0.500000 0.500000

newmtl Blue
Ka 0.000000 0.000000 0.000000
Kd 0.000000 0.000000 0.800000
Ks 0.500000 0.500000 0.500000