Monday, July 5, 2010

triangle structures





This foray into torus structures is a new focus for me. Before this I've been doing lots of work with long beads. You can't really do structures based on pentagons, hexagons, or really even squares with those because they immediately get wobbly. I've stuck pretty much to structures based on triangles, like tetrahedrons (tets), octahedrons (octs) and, to a lesser extent, icosahedrons. What I really love is the structure known as the octet truss, which is made of alternating octs and tets. They will extend out into a plane of any size. It's a structure engineers use. In fact the first time I googled it I got a picture of the overhead structure at a new terminal at Heathrow airport. If you do it in all directions you can create larger octs and tets. I've attached some of my jewelry piece that use it, mostly to create triangles.

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