// Last edited on 2007-04-03 18:49:28 by stolfi
// Processed by remove-cam-lights

background{ color rgb < 0.75, 0.80, 0.85 > }

#declare raio = 2.000;

#declare tinta_A = 
  texture {
    pigment { color rgb < 0.10, 0.80, 1.00 > }
    finish { diffuse 0.8 specular 0.3 roughness 0.005 ambient 0.1 }
  }

#declare tinta_B = 
  texture {
    pigment { color rgb < 1.00, 0.80, 0.10 > }
    finish { diffuse 0.8 specular 0.3 roughness 0.005 ambient 0.1 }
  }

#declare tinta_C = 
  texture {
    pigment { color rgb < 0.40, 0.30, 0.80 > }
    finish { diffuse 0.8 specular 0.3 roughness 0.005 ambient 0.1 }
  }

#declare tinta_D = 
  texture {
    pigment { color rgb < 0.10, 0.10, 1.00 > }
    finish { diffuse 0.8 specular 0.3 roughness 0.005 ambient 0.1 }
  }
  
#declare bola =
  sphere {
    < 0.00, 0.00, 0.00 >, 2.00 
    texture { tinta_A }
  }

#declare bola2 =
  sphere {
    < 0.00, 0.00, 0.00 >, 1.50 
    texture { tinta_C }
  }

#declare bola3 =
  sphere {
    < 0.00, 0.00, 0.00 >, 1.00 
    texture { tinta_D }
  }
  
  
#declare furo = 
  cylinder {
    < -1.00, -2.00, -2.00 >,
    < +1.00, +2.00, +2.00 >,
    1.50
    texture { tinta_B }
  }
  
#declare furo2 = 
  cylinder {
    < -1.00, -2.00, -2.00 >,
    < +1.00, +2.00, +2.00 >,
    1.00
    texture { tinta_B }
  }

#declare furo3 = 
  cylinder {
    < -1.00, -2.00, -2.00 >,
    < +1.00, +2.00, +2.00 >,
    0.75
    texture { tinta_B }
  }

difference
{

   union
    {

         difference
          {

               union
               {

                  difference 
                  { 
                      object { bola } 
                      object { furo } 
                  }

                  object {bola2 }
               }

          object { furo2 }

          }

      object { bola3 }
 
     }

     object { furo3 }
}

// Original camera parameters:
// #local cam_ctr = <0,0,0>
// #local cam_vec = <4.00,4.00,2.00>
// #local cam_sky = z

#include "camlight.inc"
camlight(<0,0,0>,<10,10,5>,8,z,1.0)