newmtl mat20
  Kd 0.47 0.33 0.28

newmtl mat15
  Kd 0.81 0.85 0.86

newmtl mat18
  Kd 1.00 0.80 0.53

newmtl mat9
  Kd 0.55 0.76 0.29

newmtl mat10
  Kd 0.30 0.69 0.31

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 mat21
  Kd 1.00 1.00 1.00