newmtl mat25 Ka 1.00 0.65 0.67 Kd 0.92 0.95 0.94 Ks 1 1 1 illum 9 Ns 300 d 0.4 Ni 1.5 newmtl mat0 Kd 0.73 0.41 0.78 newmtl mat3 Kd 0.50 0.87 0.92 newmtl mat8 Kd 0.96 0.26 0.21 newmtl mat12 Kd 1.00 0.92 0.23