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Another name for a 3D diamond shape?

Posted: Wed Feb 03, 2010 7:34 pm
by Plum
Hi

Anybody know another name for a 3D diamond shape?

Thanks
Plum

Posted: Wed Feb 03, 2010 7:38 pm
by Plum
Found it! octahedron

Posted: Wed Feb 03, 2010 7:54 pm
by stevew61
Two square based pyramids, stuck base to base. :)

steve

Posted: Wed Feb 03, 2010 9:27 pm
by Plum
That's the one!

Posted: Wed Feb 03, 2010 9:30 pm
by WP
Plum wrote:Found it! octahedron
More precisely a regular octahedron, as any 8-sided solid is an octahedron.