Heptagonal curved ring

Built something nice? Let the other Geomag fans see what you've done.

Heptagonal curved ring

Postby karlhorton » Mon Nov 02, 2009 9:58 pm

Here's a seven sided ring: it's fairly easy to build but
a small child destroyed mine before I could verify whether
it could be made to stand upright.

Any takers to rebuild and find out?
Heptagonal Ring

Each side is slightly curved, so you must use four panels
per side for the corners to work out. The corners themselves are
simply octahedra.
Corner detail for the ring

There are some fun calculations to do to make this all work out,
but I'll post them to the Math forum.

Here's the flickr set: http://www.flickr.com/photos/karlhorton/sets/72157612698334867
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Re: Heptagonal curved ring

Postby Tychi » Sun Nov 27, 2022 12:52 pm

When trying to stand on different types of legs, it cracked.
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