newmtl mat21
  Kd 1.00 1.00 1.00

newmtl mat10
  Kd 0.30 0.69 0.31

newmtl mat3
  Kd 0.50 0.87 0.92

newmtl mat22
  Kd 0.62 0.62 0.62

newmtl mat16
  Kd 0.47 0.56 0.61

newmtl mat9
  Kd 0.55 0.76 0.29