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 lambert2SG
illum 4
Kd 1.00 1.00 1.00
Ka 0.00 0.00 0.00
Tf 1.00 1.00 1.00
Ni 1.00
newmtl lambert3SG
illum 4
Kd 0.24 0.24 0.25
Ka 0.00 0.00 0.00
Tf 1.00 1.00 1.00
Ni 1.00
newmtl lambert4SG
illum 4
Kd 1.00 1.00 1.00
Ka 0.00 0.00 0.00
Tf 0.04 0.04 0.04
Ni 1.00