newmtl mat16
  Kd 0.47 0.56 0.61

newmtl mat17
  Kd 0.27 0.35 0.39

newmtl mat22
  Kd 0.62 0.62 0.62

newmtl mat21
  Kd 1.00 1.00 1.00

newmtl mat9
  Kd 0.55 0.76 0.29

newmtl mat11
  Kd 0.00 0.59 0.53

newmtl mat3
  Kd 0.50 0.87 0.92