newmtl mat19
  Kd 0.87 0.60 0.27

newmtl mat4
  Kd 0.00 0.74 0.83

newmtl mat22
  Kd 0.62 0.62 0.62

newmtl mat18
  Kd 1.00 0.80 0.53

newmtl mat5
  Kd 0.01 0.61 0.90

newmtl mat15
  Kd 0.81 0.85 0.86

newmtl mat23
  Kd 0.10 0.10 0.10

newmtl mat16
  Kd 0.47 0.56 0.61

newmtl mat21
  Kd 1.00 1.00 1.00