newmtl mat7
  Kd 0.94 0.38 0.57

newmtl mat8
  Kd 0.96 0.26 0.21

newmtl mat18
  Kd 1.00 0.80 0.53

newmtl mat22
  Kd 0.62 0.62 0.62

newmtl mat23
  Kd 0.10 0.10 0.10