3D Printing (IMAGE) University of Minnesota Caption A new technique developed by University of Minnesota researchers allows 3D printing of hydrogel-based sensors directly on organs, like the lungs, that change shape or distort due to expanding and contracting. Credit McAlpine Research Group, University of Minnesota 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.