#include "shapesq.inc"
intersection{ //----------------------------------------------
 object{ Cubic_Cylinder     //--------------------------------  
         sturm
         scale <1,1,1> rotate<0,0,0> translate<0,0,0> 
       } // end of Cubic_Cylinder ----------------------------
 box { <-1.00,-1.00, -1.00>*3,< 1.00, 1.00, 1.00>*3   
       scale <1,1,1> rotate<0,0,0> translate<0,0,0> 
     } // end of box -----------------------------------------

    texture { pigment{ color rgb<1,1,1> } 
              finish { phong 1}
            } // end of texture 
    rotate< 0,180,90>
    translate <0,1,0>
} // ------------------------------------ end of object