3D sinus models (IMAGE) Hokkaido University Caption Elaborate 3D sinus models made with advanced additive manufacturing technology. Photos by Mark Roe, Fusetec Credit Mark Roe, Fusetec Usage Restrictions These images can be used for reporting this event without obtaining permission if credited properly. 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.