newmtl mat8 Kd 0.96 0.26 0.21 newmtl mat17 Kd 0.27 0.35 0.39 newmtl mat21 Kd 1.00 1.00 1.00 newmtl mat22 Kd 0.62 0.62 0.62 newmtl mat3 Kd 0.50 0.87 0.92 newmtl mat23 Kd 0.10 0.10 0.10