additive manufacturing (IMAGE) Penn State Caption Compared with traditional metal additive manufacturing, this process contains multiple printable volumes that started from different building surfaces with different orientations. Credit Xinyi Xiao, Penn State Usage Restrictions non commercial use only 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.