#declare GLASS_FINISH =
  finish  {
    ambient 0.1
    diffuse 0.05
    reflection 0.25
    refraction 1
    ior 1.05
    specular 0.6
    roughness 0.001
  }

#declare TTF2 = texture { GLGlass_2 } #declare FTF2 = finish { GLASS_FINISH }