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. 2021 Feb 16;5(1):010904. doi: 10.1063/5.0032777

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© 2021 Author(s).

2473-2877/2021/5(1)/010904/14

All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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FIG. 5. — FRESH printing a patient-specific neonatal scale human heart from collagen I. (a) 3D STL model of a human heart scaled to the neonatal size adapted from Lee et al.¹⁰ (b) Visualization of the 3D print pathing for the modeled heart. (c) A half print of the heart revealing the internal complex geometry and the 3D printed infill pattern. (d) A full neonatal scale FRESH-printed heart from collagen I containing barium sulfate for subsequent μCT imaging. (e) A 3D render of the μCT of the FRESH-printed human heart. (f) A windowed view into the interior of the printed heart as viewed by μCT data. These are original unpublished data related to work on collagen bioprinting reproduced with permission from Lee et al., Science 365(6452), 482–487 (2019). Copyright 2019 American Association for the Advancement of Science.