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From: Diana Lee <boostdi...@yahoo.com>
does anyone know the mathematical name for the origami structure often called
"Spinner". See first image of this page:
http://freespace.virgin.net/dave.mitchell/2partdesigns.htm
I thought it was a skeletal octahedron, however it doesn't have the central
divider so... could it be a sunken square bipyramid? That's probably just as
bad. Any ideas?
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Florence Temko called it an Executive Toy in her book, Paper Pandas and
Jumping Frog. And when made from a dollar bill, it is Annie's Spinner (not her
two color spinner)
What Central Divider do you mean? what am I missing? I would, and do, call it
a skeletal octahedron.
Kathy Knapp,
Peoria, Illinois, USA
Do well your part today. - Juliette Gordon Low
