Gravity is a pen and pad that lets you sketch in 3D space using augmented reality. The patent-pending system hardware and software system has gone through several working prototypes and they're now looking to begin manufacturing.

Gravity's creators are a group of four Innovation Design Engineering students of the Royal College of Art in London, who think that it can really change the creative process for designing 3D objects.

Watch the video below to see how cool Gravity is: