newmtl initialShadingGroup
illum 4
Kd 0.50 0.50 0.50
Ka 0.00 0.00 0.00
Tf 1.00 1.00 1.00
Ni 1.00
newmtl lambert4SG
illum 4
Kd 1.00 0.00 0.00
Ka 0.00 0.00 0.00
Tf 1.00 1.00 1.00
Ni 1.00
newmtl lambert6SG
illum 4
Kd 0.00 0.68 0.01
Ka 0.00 0.00 0.00
Tf 1.00 1.00 1.00
Ni 1.00
newmtl lambert7SG
illum 4
Kd 0.00 0.00 1.00
Ka 0.00 0.00 0.00
Tf 1.00 1.00 1.00
Ni 1.00