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Topic: do you know geometry?
Replies: 8   Last Post: Aug 25, 2013 3:55 PM

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Brian Q. Hutchings

Posts: 6,087
Registered: 12/6/04
Re: do you know geometry?
Posted: Aug 23, 2013 1:55 PM
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that is the most symmetrical;
fold it either way. also,
all of the dealtahedra can be made
with that bifold symmetry --
including the 18-deltahedron

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