3D printed designs of protein inks (IMAGE) Singapore University of Technology and Design Caption Optimised ink printing of pyramid, octopus and turtle from left to right of different protein inks. Credit Credit to SUTD Usage Restrictions SUTD 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.