photo of 3D printed structures (IMAGE) Rice University Caption Structures printed using the peptide-based 3D-printing ink developed by Rice’s Hartgerink lab. A dime is included for scale. Credit Image courtesy of Hartgerink lab/Rice University Usage Restrictions Must credit the Hartgerink lab/Rice University. 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.