Norbert Kern wrote on 20/09/2019 17:54:
> Hello,
> 
> there is a site with nice knots together with their pov source -
> http://knotilus.math.uwo.ca/gallery/ .
> 
> Source of this interpretation can be found here -
>
http://news.povray.org/povray.text.scene-files/message/%3Cweb.5d84f504a8ed7c63839d843b0%40news.povray.org%3E/#%3Cweb.5d
> 84f504a8ed7c63839d843b0%40news.povray.org%3E
> 
> 
> Regards,
> Norbert Kern
> 

Very nice!
It remembers me the days I played with Knotplot 
(https://knotplot.com/rayt/).
See also the many interesting representations on the Knot Atlas (e.g. 
http://katlas.org/wiki/8_16 or http://katlas.org/wiki/T(9,4)).

Paolo

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