#declare Strength = 1; 
 
blob{ //--------------------------------------------------------------------
  threshold 0.65
  //#for(Identifier, Start, End [, Step]) 
  #for (NrX, 0, 3, 1) 
    #for (NrY, 0, 3, 1) 
      #for (NrZ, 0, 3, 1) 
    
         sphere{ <0,0,0>,0.8, Strength  
                 translate<  NrX*1, NrY*1, NrZ*1> 
  
                 texture{ pigment{ color rgb<0.9,0.1,0.20> }
                          finish { phong 1 reflection { 0.3 metallic 0.5} }
                        }
               } // end sphere 
      #end // --------------- end z of #for loop 
    #end // --------------- end y of #for loop 
  #end // --------------- end x of #for loop 

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