Lattice Structure (IMAGE) University of Texas at Austin Caption A 3D-printed hydrogel lattice contains yeast cells that can allow for the continuous production of ethanol. Credit Cockrell School of Engineering, The University of Texas at Austin 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.