newmtl mat22
  Kd 0.62 0.62 0.62

newmtl mat16
  Kd 0.47 0.56 0.61

newmtl mat3
  Kd 0.50 0.87 0.92

newmtl mat17
  Kd 0.27 0.35 0.39

newmtl mat21
  Kd 1.00 1.00 1.00

newmtl mat13
  Kd 1.00 0.60 0.00

newmtl mat10
  Kd 0.30 0.69 0.31

newmtl mat20
  Kd 0.47 0.33 0.28