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. Author manuscript; available in PMC: 2019 Jan 23.
Published in final edited form as: Nat Phys. 2017 Aug 7;13(12):1221–1226. doi: 10.1038/nphys4219

FIG. 1.

FIG. 1

Force balance in a tension net defines a triangulation of the “tension plane”. (A) 2D array of cells represented by a polygonal tiling. In mechanical equilibrium tensions balance at each vertex. (B) Equilibrated tensions form a triangulation, with triangle angles supplementary to the angles at the corresponding vertex.