newmtl mat3
  Kd 0.50 0.87 0.92

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

newmtl mat23
  Kd 0.10 0.10 0.10

newmtl mat22
  Kd 0.62 0.62 0.62

newmtl mat21
  Kd 1.00 1.00 1.00

newmtl mat10
  Kd 0.30 0.69 0.31

newmtl mat12
  Kd 1.00 0.92 0.23

newmtl mat15
  Kd 0.81 0.85 0.86

newmtl mat14
  Kd 1.00 0.34 0.13