Largest Solid 3-D Printed Item (IMAGE) DOE/Oak Ridge National Laboratory Caption A 3-D printed trim tool developed by ORNL and Boeing to be used in building Boeing's 777X passenger jet has received the title of largest solid 3-D printed item by GUINNESS WORLD RECORDS. Credit ORNL 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.