As with any desktop 3D printer, the Vulcan printer pipes layer by layer to build an object – except this printer is more than 45 feet (13.7 m) wide, weighs 4.75 tons and prints residential homes.

The best vitamin C skincare products, at a glance: Best for evening skin texture: BeautyStat, Universal C Skin Refiner, $77 Best for oily skin: SkinCeuticals, Silymarin CF, $182 ...