"Christian Froeschlin" <chrfr [at] chrfrde> wrote in message 
news:47f1feae$1@news.povray.org...
> Mike Williams wrote:
>
>> If you're looking for a shape that consists of scaled spheres smoothly 
>> blobbed together, then you're not going to achieve that by placing three 
>> spheres next to each other. And you can't do it with the blob primitive 
>> if your spheres are scaled differently.
>
> Actually, transformations are allowed as blob component modifiers.
> This includes "scale".

The spheres in the isosurface are smoothed with a function that
distorts the component spheres, it isn't a simple blob-like function.
It results in pointy ends, more pointy than just scaled spheres.

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