Thanks, all.
I incorporated your feedback into a new version
I pushed out this morning.
"Dennis E. Hamilton" wrote:
>
> A tetrahedron is a solid figure having 4 faces, each being a triangle. It
> has four vertices.
>
> Notice that pyramids are not tetrahedrons, because the base is a square and
> the remaining faces are triangles. To visualize a tetrahedron, think of a
> pyramid-like object built on a triangular base. So there are only 3
> vertical faces, coming together at a single apex.
>
> A regular tetrahedron (with each edge the same length) is the simplest
> regular solid. (We don't count the sphere, which can be thought of as an
> infinitely-faced object in the limit.)
>
> -- orcmid
>
> -----Original Message-----
> From: extende-dev-admin@lists.sourceforge.net
> [mailto:extende-dev-admin@lists.sourceforge.net]On Behalf Of Eric
> Armstrong
> Sent: Tuesday, December 12, 2000 14:41
> To: Mark Szpakowski
> Cc: unrev-II@egroups.com; Jim Hurd; extende-dev@lists.sourceforge.net
> Subject: [eXtenDE-dev] Re: [unrev-II] Tech Startup "How To" notes
>
> Mark Szpakowski wrote:
> >
> > Shades of Buckminster Fuller's "conceptual tetrahedron"!
> >
> > However, how is a five pointed figure a tetrahedron, as in the
> > structure with "purpose" at
> > http://www.treelight.com/startup/TetrahedralModel.html?
> >
> Actually, I didn't have any references handy that I could
> use to make sure I understood what a tetrahedron looks like.
> I *think* what I drew is one, but there is a distinct
> possibility I'm wrong.
>
> What is a tetrahedron, if what I drew isn't one?
> And what the heck did a draw, if it isn't a tetrahedron?
>
> You're right that it is a 5-pointed figure.
> I suppose I could call it the "diamond model".
> But being a big fan of Bucky, I really like "tetrahedron".
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