You can still use sphere_sweep, just take a difference of the original and a
scaled copy but with extra points at each end to achieve the pipe openings.

Jim
----- Original Message -----
From: "Jong" <jjk### [at] mmewhaackr>
Newsgroups: povray.newusers
Sent: Friday, February 15, 2002 7:26 AM
Subject: help: smoothly bent pipes


> Dear all,
>
>  I'd like to build a lot of smoothly bent semi-transparent pipes, which
> follow some specific points. These are similar to the sphere-sweeping
except
> for the fact that these are based on pipes.
> I remember there were some supplementary(?) program called "Striscia" but
> the site seems to have moved to some other place out of my reach.
> I'll appreciate it if you could give me some clues or suggestions.
>
> Jong

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