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tensegrity tetrahelix

the images above and left are of a tetrahelix constructed with a tensegrity structure.

the tetrahelix is constructed from tetrahedron modules made from what is often referred to as v-expander modules.

the v-expander module is constructed from four equal length compressive members, six equal length outer tension cables and a central tendon.  the centre tendon is crucial as it stresses the whole structure, holds the form together and gives it rigidity.









     a close up detail of a central tendon


     a typical v-expander module

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