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 0.63 0.00 Ka 0.00 0.00 0.00 Tf 1.00 1.00 1.00 Ni 1.00 newmtl lambert3SG illum 4 Kd 0.43 0.00 0.00 Ka 0.00 0.00 0.00 Tf 1.00 1.00 1.00 Ni 1.00 newmtl lambert4SG illum 4 Kd 0.00 0.20 1.00 Ka 0.00 0.00 0.00 Tf 1.00 1.00 1.00 Ni 1.00 newmtl lambert5SG illum 4 Kd 0.02 0.21 0.17 Ka 0.00 0.00 0.00 Tf 1.00 1.00 1.00 Ni 1.00