newmtl mat9
  Kd 0.55 0.76 0.29

newmtl mat22
  Kd 0.62 0.62 0.62

newmtl mat18
  Kd 1.00 0.80 0.53

newmtl mat10
  Kd 0.30 0.69 0.31

newmtl mat15
  Kd 0.81 0.85 0.86

newmtl mat23
  Kd 0.10 0.10 0.10

newmtl mat12
  Kd 1.00 0.92 0.23

newmtl mat17
  Kd 0.27 0.35 0.39

newmtl mat21
  Kd 1.00 1.00 1.00