I am an architecture student researching into quasicrystals with the hope of applying it to form a complex truss system. I was wondering if anyone new of a formula for the structure? thanks in advance.
Certainly there is no formula. However, take a look at http://www.tau.ac.il/~ronlif/quasicrystals.html and the book Marjorie Senechal, "Quasicrystals and geometry" (Cambridge University Press, Cambridge, 1995).
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I do not see that any macroscopic use in engineering is possible at this time. There are algorithms to produce Penrose tilings correctly, but those are two dimensional patterns.