newmtl mat17
  Kd 0.27 0.35 0.39

newmtl mat23
  Kd 0.10 0.10 0.10

newmtl mat18
  Kd 1.00 0.80 0.53

newmtl mat5
  Kd 0.01 0.61 0.90

newmtl mat22
  Kd 0.62 0.62 0.62

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 mat25
  Ka 1.00 0.65 0.67
  Kd 0.92 0.95 0.94
  Ks 1 1 1
  illum 9
  Ns 300
  d 0.4
  Ni 1.5