Actually, someone even had already done an animation about it using Pov-Ray !!

https://www.youtube.com/watch?v=Pe2mnrLUYFU



"jr" <cre### [at] gmailcom> wrote:
> hi,
>
> "BayashiPascal" <Pas### [at] BayashiInJapannet> wrote:
> > So, someone could inform me: it's an Alexander horned sphere. And my memory was
> > faulty, there is a 90 degrees relative rotation between the left and right arms.
> > Still not too bad considering last time I've seen it was 20 years ago :-)
>
> so glad you remembered (and posted) the name.  I lost a pleasant hour or so on
> Google Image searches, with search terms like "fractal horseshoe twist".  :-)
>
>
> regards, jr.

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