Image of a 3D printed blood vessel. (IMAGE) University of Edinburgh Caption Image of a 3D printed blood vessel. Credit Dr Norbert Radasci, School of Engineering, University of Edinburgh. Usage Restrictions None, so long as credit is used with image. 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.