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. 2015 Oct 12;9:18. doi: 10.1186/s13036-015-0016-x

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© Hofmeister et al. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Scanning electron micrographs of two small fiber models taken parallel to the substrate at the same magnification. a The 2 × 2 pattern has the smaller diameter fibers and the highest density of fibers at 25 per 100 μm². b The 5 × 5 mold has larger diameter fibers and a density of 4 fibers per 100 μm². Scale bars are 20 μm