They are tiny, mesmerizing and an online sensation. Lexi Sheehan, the artist behind the 3D dragon fidget keychain design is working long hours to restock her creation, with each one every bit as ...

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 ...