newmtl mat1
  Kd 0.61 0.15 0.69

newmtl mat2
  Kd 0.40 0.23 0.72

newmtl mat24
  Ka 0.58 0.65 1.00
  Kd 0.92 0.95 0.94
  Ks 1 1 1
  illum 9
  Ns 300
  d 0.4
  Ni 1.5

newmtl mat0
  Kd 0.73 0.41 0.78