-- briancady413, Nov 26 2016 Broken glass-like pieces of the assemblage?-- Vernon, Nov 26 2016 Google "quasicrystal" or "aperiodic crystal".-- MaxwellBuchanan, Nov 26 2016 Bone - question devoid of an idea, unless I am missing something.-- xenzag, Nov 26 2016 Without actually looking up the reference I read that there is an alloy of aluminum that exhibits aperiodic tiling.-- beanangel, Nov 28 2016 random, halfbakery