What is 3D Printing? by WBEZ published on 2012-10-16T16:30:24Z Printers aren’t just for paper or photos anymore. Now, devices known as 3-D printers can create physical objects. Technology evangelists say with new home products like Makerbot’s Replicator 2 on the market, we’re at the very beginning of a personal manufacturing revolution, similar to where we were over 30 years ago with the personal PC. Shoshana Berger, director of editorial development at Wired, and James Hughes with the Institute for Ethics and Emerging Technologies examine how 3-D printing will affect manufacturing, copyright law and possibly the defense industry.