From Occipital Debuts 3D Scanner for iPads, Raises $100K on Kickstarter:

Occipital's Structure Sensor
Occipital’s Structure Sensor

Occipital, a startup based in Boulder, CO, and San Francisco, announced Tuesday that it has developed a 3D sensor that can be attached to an iPad. Occipital says it is the first 3-D scanner that can be attached to a mobile device.