global_settings {
  assumed_gamma 1.0
}

camera{
  up y
  right x*image_width/image_height
  angle 45
  location <40,40,-40>
  look_at  0
}

light_source{0
  rgb 1
  translate y*100
}

sky_sphere {
  pigment {
    gradient y
    color_map {
      [0.0 rgb <0.6,0.7,1.0>]
      [0.7 rgb <0.0,0.1,0.8>]
    }
  }
}

#include "Mobius.inc"

object{Mobius(<20,20>,<10,4>,<80,5,5>,1,0,yes,yes)
  pigment{
    gradient y
    pigment_map{
      [0.23 rgb 0]
      [0.23 gradient x colour_map{[0.5 rgb 0][0.5 rgb <1,1,0>]}scale 1/40]
      [0.27 gradient x colour_map{[0.5 rgb 0][0.5 rgb <1,1,0>]}scale 1/40]
      [0.27 rgb 0]
      [0.50 rgb 0]
      [0.50 rgb 1]
    }
    scale 2
  }
}