camera { location <23,21,29> look_at 5 } #declare A=17/255; #declare X=0; #while(X<16) #declare Y=0; #while(Y<16) #declare Z=0; #while(Z<16) sphere{,0.25 pigment {color rgb*A} finish {ambient 1} } #declare Z=Z+1; #end #declare Y=Y+1; #end #declare X=X+1; #end