Open Source Class (IMAGE) Michigan Technological University Caption Joshua Pearce leads a 3-D printing class where students build their own printers and do a variety of prints, including making lab equipment. Credit Michigan Tech Usage Restrictions credit please 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.