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 mat2
  Kd 0.40 0.23 0.72

newmtl mat19
  Kd 0.87 0.60 0.27