AvatarBrad MoffattThis guy fixed his teeth by 3D printing his own plastic braces for $60verified_publisherBusiness Insider - Nathan McAloneAn undergraduate at New Jersey Institute of Technology made his own plastic braces using a 3D printer, $60 of materials, and a healthy dose of ingenuity — and they actually worked. Amos Dudley had braces in middle school, but he didn't wear a retainer like he was supposed to, so his teeth slowly …
