newmtl mat7
  Kd 0.94 0.38 0.57

newmtl mat3
  Kd 0.50 0.87 0.92

newmtl mat21
  Kd 1.00 1.00 1.00

newmtl mat23
  Kd 0.10 0.10 0.10

newmtl mat2
  Kd 0.40 0.23 0.72

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