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. 2020 Feb 8;13(3):774. doi: 10.3390/ma13030774

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Morphology of three-dimensional (3D) printed parts investigated by scanning electron microscopy at different magnifications: (a) 39×; (b) 300×; (c) 2300×; (d) 2400×.

Morphology of three-dimensional (3D) printed parts investigated by scanning electron microscopy at different magnifications: (a) 39×; (b) 300×; (c) 2300×; (d) 2400×.