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>>> The last nephroid is in capitivity. The galaxy is at peace... ;)
>> ...alternatively, if you have a look at the article and some of the
>> articles lined from it, you get to see trippy mathematical drawings! :-D
>
> Oh, I saw the gif animation, yes.
There's a whole world of Seriously Interesting Stuff out there -
inverses, evolutes, envelopes, caustics, epicycloids, pedal curves...
it's pretty mental stuff!
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