Michael Omana with test fixture (IMAGE) DOE/Sandia National Laboratories Caption Michael Omana affixes a mask to the current generation of the 3D printed head while testing at Sandia National Laboratories. Credit Craig Fritz/Sandia National Laboratories Usage Restrictions courtesy 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.