Tor Olav Kristensen wrote:
> 
> Can you please explain ?    Is there any other way to do this ?

	Something like that should work:

#declare ManySpheres = function {
  sqrt (sqr (x-floor(x)-0.5) + sqr (y-floor(y)-0.5) + sqr
(z-floor(z)-0.5)) -
  noise3d (x/30, y/30, z/30)
}

	But I haven't tested it...


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