newmtl mat21 Kd 1.00 1.00 1.00 newmtl mat23 Kd 0.10 0.10 0.10 newmtl mat10 Kd 0.30 0.69 0.31 newmtl mat9 Kd 0.55 0.76 0.29 newmtl mat3 Kd 0.50 0.87 0.92 newmtl mat18 Kd 1.00 0.80 0.53