3-D Printed Shaft (2 of 2) (IMAGE) VTT Technical Research Centre of Finland Caption Rotating shaft in test bench, wireless data transfer electronics in the foreground. Credit Jari Halme, VTT 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.