On Sat, 30 Mar 2002 02:10:58 +0100, "Tor Olav Kristensen"
<tor### [at] hotmailcom> wrote:
> IIRC Ron did something similiar a while ago.
You probably mean
http://news.povray.org/kcj4utgs99dgc7h8a7a8tuabpm73hv94pn%404ax.com
There were isofunctional toruses.
ABX