Collimators (IMAGE) DOE/Oak Ridge National Laboratory Caption ORNL's Bianca Haberl and Amy Elliott hold 3D-printed collimators -- an invention that has been licensed to ExOne, a leading binder jet 3D printer company. Credit Genevieve Martin/Oak Ridge National Laboratory, US Dept. of Energy 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.