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. 2017 Apr 5;473(2200):20170036. doi: 10.1098/rspa.2017.0036

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© 2017 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 5. — Closed-cell structure with hexagonal prismatic cells, showing the undeformed structure (a), and plane cross sections parallel to some of the cell walls (b) and (c). (Online version in colour.)