Franz Haas, Graz University of Technology (IMAGE) Graz University of Technology Caption Franz Haas is head of the Institute of Production Engineering at TU Graz and is the mastermind behind the SLEDM 3D printing method. Credit © Photo Furgler Usage Restrictions Free by using the right caption/copyright 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.