Hi Frank,

I think the thread you are looking for is 
<http://lists.squeakfoundation.org/pipermail/squeak-dev/2004-
February/073558.html>
HTH,

Antonio Barros
Computing Service
Federal University of Pará
Brazil

--- In squeak at yahoogroups.com, "Frank Shearar" <frank.shearar at r...> 
wrote:
> I remember reading some time ago a conversation about 3D controls -
 in other
> words, ways of using mice to control a 3D environment - Croquet in 
the
> discussion. I seem to recall Andreas Raab talking about using the 
concept of
> rotating cylinders in contact with each other to do something or 
other.
> 
> Does anyone have any links to this thread, or remember more than 
my pitiful
> recollection?
> 
> frank