Grant Marchelli, University of Washington (IMAGE) University of Washington Caption Grant Marchelli, a UW mechanical engineering graduate student, removes a new object from the Solheim Lab printer. Marchelli led development of the first method for 3-D printing in glass. Credit University of Washington 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.