Strong and expandable 3D printed material (IMAGE) University of Colorado at Boulder Caption Researchers in the Burdick Lab display a 3D printed material that is at once strong, expandable, moldable and sticky. Credit Casey Cass/CU Boulder Usage Restrictions Must credit CU Boulder License Original 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.