I'm trying to make a blood cell and I am not very successful.  First I
tried using a circle of blobs, using a while loop.  I worked sort of,
but not good enough.  I'm not to good with splines but I'm going to try
and do that.  Here is my blob code:

#declare b = 0;
blob
{
        threshold .6
        #while ( b<20)
                sphere { < .6, 0, 0> .55, 1 rotate <0, b/20*360, 0> }   
               // sphere { < 0, 0, 0> .3, 2 }                 
                
                #declare b = b+1;
        #end
        pigment { color Red }  
        rotate <-40, 0, 0> 
}
The second sphere does not appear to add  to the blob.   Why?

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