A visitor plays with a robot printed by a 3D printer at a pop-up makerspace held by Future Engineers with support from NASA and The American Society of Mechanical Engineers (ASME), at the Steven F. Udvar-Hazy Center, Thursday, September 21, 2017 in Chantilly, Virginia. Participants created digital 3D models using Autodesk Tinkercad and watched objects being printed with Makerbot 3D printers. Photo Credit: (NASA/Aubrey Gemignani)