"Ville Koskinen" <v_k_o_s_k_i_n_e_@mappi.helsinki.fi> wrote in message
news:3CA94381.2DE1D5BC@mappi.helsinki.fi...
> Shay wrote:
> >
> > Is this something that looks at all useful? Would spline extrusions of > other
primitives be useful to any of you?
>
> Well, yes. I was trying to recreate this:
> http://www.imagenetion3.hpg.ig.com.br/jjbinks/mcescher/pages/Knots.jpg
>
> If you're interested, see also
> http://www.unca.edu/~mcmcclur/java/LiveMathematica/trefoil.html .

     I like. But isn't it known/also known as the 'Triquetra' Knot?

       I'm interested to know where 'Tre *foil*' originates from?

       ~Steve~


>
> Regards,
> Ville Koskinen

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