We've seen some amazing 3D-printed things these days. From sonic art installations to human noses ready for transplant, the 3D printers of today know no bounds. At first, it seemed the trend in 3D printing was to go bigger and better. Companies were dreaming big and creating 3D printed houses. Now, 3D-printing is going the opposite direction as makers are creating tiny objects to showcase their skill. Introducing the world's tiniest drill, engineered using CAD and a 3D printer by Lance Abernathy, who hails all the way from New Zealand.