Automated 3D printing (VIDEO) Optica This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption All processes are carried out sequentially for automated production of multicolor 3D microstructures. To suppress air bubbles, the 3D-printed structure is moved around inside the resin as the laser hardens the material. They also integrated a two-step process for cleaning the 3D printed structure when the resins are changed to completely prevent cross-contamination. Credit Shoji Maruo, Yokohama National University Usage Restrictions None 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.