
union{ //---------------------------------------
 #local Nr = -500;   // start
 #local EndNr = 500; // end
 #while (Nr< EndNr) 

 box{ <-0.05, 0.00, 0>,< 0.05, 0.0015, 1.00>   
      texture{ pigment{ color rgb<1,1,1>*1.1}
             //normal { bumps 0.5 scale 0.005}
               finish { phong 0.5}
             } // end of texture
  
      translate<0,0,Nr*2.00>} 

 #local Nr = Nr + 1;  // next Nr
 #end // --------------- end of loop 

rotate<0,0,0> 
translate<0,0,0>
} // end of union -----------------------------

