On 2024-01-28 18:18 (-4), Bald Eagle wrote:
> 
> I'm also NOT enamored by POV-Ray's blob function, and might see about working
> out something with functions and an isosurface to see if I can get a smoother,
> more pleasing result.

The tutorial has an isosurface technique that I am not enamored with,
but you might want to try it anyway:


https://wiki.povray.org/content/Documentation:Tutorial_Section_3.2#Combining_isosurface_functions

I published an alternative isosurface function RE_fn_Blob2() in
RoundEdge.  See the user manual for how to use it:

  https://github.com/CousinRicky/POV-RoundEdge

I once came up with a couple of trig-based formulas, but I haven't
looked at them in almost 20 years.  If I find that they eliminate 1st
derivative discontinuities, I might resurrect them.

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