camera {
  angle 20
  location <10, 10, 10>
  look_at <0, 0, 0>
}

light_source {
  <0, 0, 10>
  <1.0, 1.0, 1.0>
  spotlight
  radius 5
  falloff 10
  point_at <0, 0, 0>
}

light_source {
  <10, 0, 0>
  <1.0, 1.0, 1.0>
  spotlight
  radius 5
  falloff 10
  point_at <0, 0, 0>
}

light_source {
  <0, 10, 0>
  <1.0, 1.0, 1.0>
  spotlight
  radius 5
  falloff 10
  point_at <0, 0, 0>
}

box {
  <-2, -2, -2>
  <100, 100, 100>
  hollow
  pigment {
    rgb <1.0, 1.0, 1.0>
  }
}

difference {
  box {
    <-1.0, -1.0, -1.0>
    <1.0, 1.0, 1.0>
  }

  union {
    difference {
      prism {
        linear_spline
        linear_sweep
        -0.001
        2.001
        9
        <0.000, 0.000>, <0.250, 0.000>, <0.375, 0.250>, <0.750, 0.250>, <0.750, 0.000>, <1.000, 0.000>, <1.000, 1.000>, <0.500, 1.000>, <0.000, 0.000>
      }

      prism {
        linear_spline
        linear_sweep
        -0.001
        2.001
        5
        <0.500, 0.500>, <0.750, 0.500>, <0.750, 0.750>, <0.625, 0.750>, <0.500, 0.500>
      }

      translate <-0.5, -1.0, -0.5>
    }

    prism {
      linear_spline
      linear_sweep
      -0.001
      2.001
      9
      <0.000, 0.000>, <0.600, 0.000>, <1.000, 1.000>, <0.750, 1.000>, <0.450, 0.250>, <0.250, 0.250>, <0.250, 1.000>, <0.000, 1.000>, <0.000, 0.000>
      translate <-0.5, -1.0, -0.5>
      rotate <-90, 0, 180>
    }

    prism {
      linear_spline
      linear_sweep
      -0.001
      2.001
      12
      <0.000, 0.000>, <0.250, 0.000>, <0.250, 0.333>, <0.667, 0.000>, <1.000, 0.000>, <0.375, 0.500>, <1.000, 1.000>, <0.667, 1.000>, <0.250, 0.667>, <0.250, 1.000>, <0.000, 1.000>, <0.000, 0.000>
      translate <-0.5, -1.0, -0.5>
      rotate <0, 0, -90>
    }
  }

  rotate <-90, -90, 0>
  pigment {
    rgbf <1.0, 0.8, 0.6, 1.0>
  }
  finish {
    reflection 1.0
  }
}