They're here for dentures, a process that would take weeks were it not for this trailer and the 22-year-old engineer who helped build it. Conner Gibson uses computer design to make dentures with 3D printers. They can print a set in an hour or so.Gibson has slept in here to keep the printers running non-stop. He's inspired by something he calls the mirror moment. We say it's worth a million dollars, but truly it is priceless.When you give them that mirror, you just see all that stress melt away. And no matte ...