4D printing process (IMAGE) University of Tokyo Caption Specially created software turns an input 3D model, which can be a scan of an existing object, into a 2D pattern that can then be printed. The prints can then be submersed in hot water to self-fold into the final 3D object. Credit ©2023 Narumi et al. CC-BY-ND Usage Restrictions Credit must be given to the creator. No derivatives or adaptations of the work are permitted. License CC BY-ND 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.