newmtl mat9
  Kd 0.55 0.76 0.29

newmtl mat16
  Kd 0.47 0.56 0.61

newmtl mat23
  Kd 0.10 0.10 0.10

newmtl mat10
  Kd 0.30 0.69 0.31

newmtl mat12
  Kd 1.00 0.92 0.23

newmtl mat21
  Kd 1.00 1.00 1.00