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. 2019 Jul 10;13:51. doi: 10.3389/fnbot.2019.00051

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Copyright © 2019 Sun and Martius.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Rigidness analysis of the 3D structure: the same force is applied on each point on the surface and the displacement is compared. Lighter colors indicates bigger displacements and less rigidity (normalized for visibility).