3D printing (IMAGE) DOE/Sandia National Laboratories Caption Using 3D printing, metal is printed layer by layer for a newly designed cable connector. Credit Craig Fritz/Sandia National Laboratories Usage Restrictions Photo can be used with story. Must credit Sandia National Laboratories. License Original 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.