Gyroids Made with SMILES Materials (IMAGE) Cell Press Caption This image shows glowing 3D-printed gyroids made with bright SMILES materials. Credit Amar Flood Usage Restrictions Credit Required. 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.