3D-printed components on NSTX-U. (IMAGE) Princeton University Caption 3D-printed components on NSTX-U. Credit Photo courtesy of the NSTX-U project team / PPPL Usage Restrictions Credit must be given to the creator. License CC BY 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.