3D-printed Hand Can Improve Security (IMAGE) Michigan State University Caption MSU doctoral student Sunpreet Arora demonstrates how a 3-D printed model hand is used to test a fingerprint scanner for accuracy. Credit Photo by G.L. Kohuth Usage Restrictions with proper photo credit 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.