newmtl mat25
  Ka 1.00 0.65 0.67
  Kd 0.92 0.95 0.94
  Ks 1 1 1
  illum 9
  Ns 300
  d 0.4
  Ni 1.5

newmtl mat12
  Kd 1.00 0.92 0.23

newmtl mat8
  Kd 0.96 0.26 0.21

newmtl mat1
  Kd 0.61 0.15 0.69