#include "colors.inc"
background {White}
camera{
    location <0, 0, -20>
    look_at <4, 0, 0>
}

light_source{ <10,10,-10> White }  
light_source{ <-10,10,-10> White }

  
#declare thres = 0;  
#while (thres < 5) 
 union {  
  sphere { <-5, 3, 0>, 2 pigment {rgbt<1,0,0,.7>} }
  blob {
    threshold 0.2*thres+.2
    sphere { <-5, 3, 0>, 2, 1 pigment {Red} }  
    } 
  translate < 5*thres,0,0>    
 }
 #declare thres = thres + 1; 
#end    

#declare thres = 0;  
#while (thres < 5) 
 union {  
  cylinder { <-5, -1, 0>, <-5, -4, 0>,2 pigment {rgbt<1,0,0,.7>} }
  blob {
    threshold 0.2*thres+.2
    cylinder { <-5, -1, 0>, <-5, -4, 0>, 2, 1 pigment {Red} }  
    } 
  translate < 5*thres,0,0>    
 }
 #declare thres = thres + 1; 
#end