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. 2022 Jul 21;14(14):2955. doi: 10.3390/polym14142955

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© 2022 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 (https://creativecommons.org/licenses/by/4.0/).

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Different phases of printing a cantilever structure. (A) The printing platform moves to the end of the vat, where the base of the device will be created. (B) The DLP projector exposes all the base. (C) Only the channel walls are exposed by the DLP projector. (D) Once the channel is created, all the device has to be exposed in order to polymerize a cover for the channel. (E) It can be appreciated that the light exposed in (D) crossed through the channel and partially polymerized the channel cavity.