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. 2022 Dec 5;10:1094294. doi: 10.3389/fbioe.2022.1094294

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Copyright © 2022 Yan, Yuan, Wu and Jia.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Creation of LM molds. (A) 3D LM microstructures by welding. (B) 3D LM microstructures by winding. (C) 3D LM microstructures by a hybrid method that combines the welding and winding. (D) A free-standing LM bridge. (E) A free-standing LM tetrahedron. (F) A LM “Ferris wheel”. (G) A 3D spiral structure.