DIW 3D-printed models of okara. (IMAGE) Singapore University of Technology and Design Caption Freeze-dried 3D-printed okara snacks with various infill levels and sizes. Credit SUTD Usage Restrictions Credit to 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.