3D Printer at TU Graz (IMAGE) Graz University of Technology Caption At TU Graz, more than 30 powerful 3D printers are currently in use around the clock in the production of the medical shields. Credit © Lunghammer - TU Graz 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.