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. 2017 Aug 9;6(1):17. doi: 10.1140/epjds/s13688-017-0109-5

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© The Author(s) 2017

Open Access This 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.

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Two well-known examples. (a) Plot of the image of the figure-8 immersion of the Klein bottle and (b) the reconstruction of the Stanford Dragon (retrieved from [164]).