Rings, tubes, and hubs–-hinge joined octahedra

Octahedra can hinge join as rings which can be stabilized to produce polysymmetrical assemblies with a common axis. The rings can join
edge-to-edge to form regular polygonal tubes. The assemblies can join to form complex structural networks in which the rings act as hubs. The rings and their assemblies are octahedrally quasicrystalline. Each octahedron within a given assembly could represent a crystalline assembly as simple as an atom or as complex as a protein. See the file Tubes.pdf which can be downloaded using the "Files for sharing" link of the website
    http://homepage.mac.com/whitby /
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