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Topic: Deformable platonic "solids"
Replies: 23   Last Post: Mar 12, 2013 8:11 PM

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Richard Tobin

Posts: 1,399
Registered: 12/6/04
Re: Deformable platonic "solids"
Posted: Mar 1, 2013 8:16 AM
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In article <509a9b57-10ef-4c07-93ac-de8b36ed73af@googlegroups.com>,
david petry <david_lawrence_petry@yahoo.com> wrote:

>Dodecahedron: V = 20, E = 30 3V-E = 30 (not rigid)

So you need to add at least 24 edges to a dodecahedron to make it
rigid. That is rather surprising.

-- Richard

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