Scaffold 3 (IMAGE) Rice University Caption Rice University graduate student Sean Bittner holds a 3D-printed scaffold created to help heal osteochondral injuries. The initial study is a proof-of-concept to see if printed structures can mimic the gradual transition from smooth, compressible cartilage to hard bone at the end of long bones. Credit Jeff Fitlow/Rice University 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.