five intersecting tetrahedra

hermanntrude

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Jun 23, 2006
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without much trouble??? lol

This was the most difficult model I have ever successfully made I think. Not technically difficult but difficult in just finding the arrangement. It was like doing an origami 3D jigsaw puzzle which would fall apart if i wasnt careful with the folds.
 

eh1eh

Blah Blah Blah
Aug 31, 2006
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Under a Lone Palm
Wow, that turned out well Herm. Judging by the instructions I thought maybe you would have smashed the half done model. You've a load of patience. Looks really good.:smile:
 

hermanntrude

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Jun 23, 2006
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ive had a lot of model-squashing incident recently. I've been pushing myself too far, so i was determined not to let this one beat me
 

hermanntrude

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Jun 23, 2006
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I was just searching for more poly-polyhedra on the web and found out as per usual that whatever I can do someone out there can do twenty times better:





 

gc

Electoral Member
May 9, 2006
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note how the points of the tetrahedra make up the vertices of a dodechadron? I think this shape is fascinating

That must be because you are a chemist ;-) ....(well, if you are an organic chemist anyways...)
 

hermanntrude

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Jun 23, 2006
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there seems to be a link between chemistry and origami. I have two other friends who are hugely into both. maybe that's not a big link
 

gc

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May 9, 2006
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maybe, but I meant that the reason you like tetrahedrons might have something to do with this:
 

hermanntrude

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Jun 23, 2006
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ha yes. of course, the old 108° bond angle.

I'd say your average chemist doesnt like tetrahedra at all. they tend to ignore the hydrogens and only write the bonds in. In other words, methane doesn't exist.