news:42149dcf@news.povray.org...
> Axel R DuVirage <axe### [at] hotmailcom> wrote:
> > any ideas how to create a neon sign using maybe a hollow cylinder filled
> > with emitting merdia.  the problem is how do you "bend" the tube
(cylinder)
> > without resorting to complicated mathematical functions...i know i'm
lazy.
>
>   Sounds exactly what sphere sweeps are for... :)

    yes, spheres sweeps or (depends final forms) parts of torus...

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