Design Monitoring

MakerBot made 3D printers affordable by going with FDM (fused deposition modeling). But now a college professor has created a far less expensive printer—albeit with a tiny print area--by going the stereolithography/photopolymerization route, whereby resin is cured in place with light. The crazy part is, he figured out how to do it using just the light projected by your smartphone screen. The inventor, Jeng Ywam-Jeng, is a professor of Mechanical Engineering at the National Taiwan University of Science…