Hydrogel Scaffold (IMAGE) Spanish National Research Council (CSIC) Caption Initial prototype of a hydrogel scaffold manufactured with a 3D printer Credit ICMAB-CSIC; IBEC. 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.