problem



Hi,
If I remember well someone on the list made yingyang like at riotorto.
Could you do the same with this triskell ?
http://hgng.free.fr/2/yinyangyung.JPG
That Lohmueller friedrich made for me

I need the equation which do it in sage and maxima.

thanks
Kind regards
Henri

(It's a humble wish ...


But I know they are lot of good soul in this list...)