3-D Aluminum Printing 2 (IMAGE) HRL Laboratories Caption The nanoparticle-functionalized powder is fed into a 3-D printer, which layers the powder and laser-fuses each layer to construct a three-dimensional object. Credit Photo: B. Ferguson - Copyright HRL Laboratories Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.