Jena Passut is the managing editor of EdTech: Focus on K–12. At first, the 3D printers were neat gadgets that produced Yoda heads, Pikachus and other cool knickknacks. Then, Clear Creek Independent ...

Rich Lehrer knew that 3D printers could do more than spit out keychains and Yoda heads. In 2013, he led a group of eighth graders at the Brookwood School in Manchester-by-the-Sea, Massachusetts that ...