3D printers may have failed as a home appliance, but researchers at the Hasso-Plattner-Institut aren’t ready to give up on them just yet. Last year they successfully 3D-printed a working door handle without any moving parts, and this year they’re following it up with a 3D-printed, PIN-protected door lock.
Source: Gizmodo – A 3D-Printed, PIN-Protected Door Lock Won’t Protect Your Home But it Sure Looks Cool