David wrote:

>So, non-coplanar facets are easy! You'll notice that on mine, a row of
>paneling on the outside of the shape eventully works it way around to the
>inside. Also, I beilieve strips don't meet themselves after a full trip
>around, so it's like a mobius strip.

I actually had not noticed that.  Woops.  Hmm.  That's why you
have seven coils: otherwise the six-sided cross section would not
work.  Aha!  That also means you can only use an odd number of
coils.  So does the mobius-like  twisting somehow cut down
on the amount of curvature on the individual facets?

I learned a lot of math and pov in the progress of attempting
to emulate your picture, so thank you for posting it!

<bows to master>

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