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. 2021 Feb 21;14(4):1021. doi: 10.3390/ma14041021

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© 2021 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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Analysis of surface congruency of 3D model STL versus source STL. (A): Two representative models of abdominal aorta printed in flexible and rigid polymer. (B): The source STL (fuchsia) and (C): the STL of the 3D model (cyan) were imported in the 3Matic module of MIS and (D): both objects were brought to congruency using semi-automated alignment tools. (E): The part comparison analysis tool of the 3Matic shows a color-coded map of the object indicating the surface deviation between both objects in mm. (F): Histogram report of the results indicating the mean value of surface deviation.