Aspiration-assisted Freeform Bioprinting (VIDEO) Penn State 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 The aspiration tip picks up a spheroid of cells and places it in the gel in any pattern. The spheroids self-assemble to form a 3D tissue. Credit Ozbolat Lab, Penn State 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.