Peter Popov wrote:

> For one thing you're wrong. This *is* a torus (with caps added), it's
> just not a circular nor a closed one. But it is a torus.
> 
> Well, some topologists might argue that a torus has to be closed but I
> would stick to the more general definition, thank you.
> 
> As of twisted... how do you know? I mean, sure, it looks smooth, but
> this doesn't mean it's untwisted. Besides, it's the product of a
> twisted mind (i's, not y's :) ) <grin>

I'll have to say Un-cle on this one.

-- 
Ken Tyler - 1400+ POV-Ray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/

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