newmtl mat18
  Kd 1.00 0.80 0.53

newmtl mat5
  Kd 0.01 0.61 0.90

newmtl mat4
  Kd 0.00 0.74 0.83

newmtl mat21
  Kd 1.00 1.00 1.00

newmtl mat17
  Kd 0.27 0.35 0.39

newmtl mat15
  Kd 0.81 0.85 0.86

newmtl mat12
  Kd 1.00 0.92 0.23

newmtl mat23
  Kd 0.10 0.10 0.10

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