Painting 3D-Printed Objects (IMAGE) Rutgers University Caption A hydrogel lattice without (left) and with (right) coating. Credit Jonathan P. Singer/Rutgers University-New Brunswick. 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.