newmtl lambert2SG illum 4 Kd 0.08 0.06 0.05 Ka 0.00 0.00 0.00 Tf 1.00 1.00 1.00 Ni 1.00 newmtl lambert3SG illum 4 Kd 0.21 0.22 0.23 Ka 0.00 0.00 0.00 Tf 1.00 1.00 1.00 Ni 1.00 newmtl lambert4SG illum 4 Kd 0.16 0.12 0.08 Ka 0.00 0.00 0.00 Tf 1.00 1.00 1.00 Ni 1.00 newmtl lambert5SG illum 4 Kd 0.39 0.39 0.39 Ka 0.00 0.00 0.00 Tf 1.00 1.00 1.00 Ni 1.00