newmtl Light0001:initialShadingGroup illum 4 Kd 0.92 0.92 0.92 Ka 0.00 0.00 0.00 Tf 1.00 1.00 1.00 Ni 1.00 newmtl Light0001:lambert2SG illum 4 Kd 0.01 0.01 0.01 Ka 0.00 0.00 0.00 Tf 1.00 1.00 1.00 Ni 1.00 newmtl Light0001:lambert3SG illum 4 Kd 0.50 0.50 0.50 Ka 0.00 0.00 0.00 Tf 0.05 0.05 0.05 Ni 1.00
