// create a regular point light source
light_source
{
  0*x // light's position (translated below)
  color red 1.0  green 1.0  blue 1.0  // light's color
  translate <-20, 40, -20>
}     


camera
{
  location  <0 , 0 ,-3.0>
  look_at   <0.0 , 0.0 , 0.0>
}
// Create an infinite sphere around scene and allow any texture on it
sky_sphere
{
  pigment
  {
    leopard
    scale .02
    color_map { [0.0 color rgb <0.7,0.7,1.0>] [1.0 color rgb <.2,.2,.7>] }
  }
} 

plane {
  z,
  0                    
  pigment {
    waves 
    scale 1 
    color_map {[0 color rgbf <0,0,1,.7>] [1 color rgbf <.4,.4,.8,.7>]}
  } 
  normal { waves .07 scale 1 }                
  finish { reflection .7 phong 1 }
  interior { ior 1.33 } 
  translate <0,0,15>
}


intersection {
  prism {
    linear_sweep // or conic_sweep for tapering to a point
    cubic_spline // linear_spline | quadratic_spline | cubic_spline
    -0.7,        // height 1
     0.7,        // height 2
    29,          // number of points
    <3,-20>
    <3,-20>
    <3,0>
    <3,3>
    <2.3,4>
    <3.3,5>
    <1.5,6>
    <5,7>
    <.4,8>
    <4,9>
    <2,10>
    <3,11>
    <3,14>
    <3,34>
    <4,34>
    <4,14>
    <4,11>
    <3,10>
    <5,9>
    <1.4,8>
    <6,7>  
    <2.5,6>
    <4.3,5>
    <3.3,4>
    <4,3>
    <4,0>
    <4,-20>
    <3,-20>
    <3,-20>            
   } 
   box {
    <0,-1,0>
    <7,1,14>
   }
  
  
  // [open]
  //sturm 
  translate <-3,0,-8>
  rotate <90,180,90>    
  scale .5
  pigment { color rgbf <1,0,0,1> }
  finish { reflection .5 phong 1}
  interior { ior 2 }

}