newmtl mat23 Kd 0.10 0.10 0.10 newmtl mat24 Ka 0.58 0.65 1.00 Kd 0.92 0.95 0.94 Ks 1 1 1 illum 9 Ns 300 d 0.4 Ni 1.5 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 mat18 Kd 1.00 0.80 0.53 newmtl mat21 Kd 1.00 1.00 1.00 newmtl mat19 Kd 0.87 0.60 0.27