A 3D Printed e-NABLE Arm (IMAGE) University of Washington Caption The University of Washington team 3D printed an e-NABLE arm with a prototype of their bidirectional sensor (blue and white) that monitors the hand opening and closing by determining the angle of the wrist. Credit Mark Stone/University of Washington Usage Restrictions Use with appropriate 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.