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. 2018 Dec 11;10(12):1372. doi: 10.3390/polym10121372

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© 2018 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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Multi-compartment preform tablet. (A) Side view of the three pieces constituting the preform tablet. From left to right, top cap, top compartment, and bottom compartment. These pieces were manufactured by powder-bed 3D printing using as binder DI water with 5% ethanol and 0.25% Tween 80. The powder utilized for their construction was calcium sulfate. Each of the two wells have a 250 µL capacity. (B) Front view of the preform tablet fabricated. (C) Comparison between the assembled version of the preform tablet and commercially available gel capsules.