A simple iPad attachment can create a 3D model of your home within minutes, said Pete Pachal at Mashable. Structure Sensor, a 3D scanner that attaches to tablets and smartphones, recently received a big upgrade that allows professional contractors to quickly scan an entire room in "incredible detail." (Courtesy of Structure Sensor) With a new app called Canvas, Structure Sensor can automatically measure a room, from the length of furniture to the distance from floor to ceiling, and convert it into a detailed technical drawing complete with labels, saving time and money.