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Printing into Thin Air

Posted August 22, 2016 12:00 AM by Engineering360 eNewsletter

Harvard researchers are 3D printing directly into the air without the need for a substrate. The technique uses a silver nanoparticle ink sent through a standard 3D printer nozzle. The ink is immediately annealed using a laser. The research team has created complex architectures, curves, and spirals, and believes they will also be able to make sharp angles and turns. The technique may open the door to applications in electronic and biomedical devices that depend on customized metallic architectures.


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