=?ISO-8859-1?Q?=22J=E9r=F4me_M=2E_Berger=22?= <jeb### [at] freefr> wrote:
> Dave Blandston wrote:
> > Alain <ele### [at] netscapenet> wrote:
> >> If you can't come close enough with a scaled torus, then, you'll proba
> bly need a sphere sweep.
> >
> > A sphere sweep combined with a prism may be a possible solution, becaus
> e that
> > would also work for the inside of the curves, but I think that would be
>
> > extremely difficult to get just right. Plus I'd have to figure out how
> to
> > remove the square notch that the sphere sweep would fit into. This migh
> t turn
> > out to be a really difficult problem to solve with CSG...
> >
>  The square notch is actually very easy to do once you have the
> prism for the main shape and the sphere sweep: make the prism
> shorter by the radius of the sweep and add another prism using the
> same spline as the sweep (i.e think "union" instead of "difference").
>
>   Jerome
> --
> mailto:jeb### [at] freefr
> http://jeberger.free.fr
> Jabber: jeb### [at] jabberfr

sphere sweeps ARE painfully slow, why I went with meshing the edges

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