7. The system of claim 6 , wherein the identified 3D model of the object represents a building and the geographic perimeter represents a boundary of the building.
7. The system of claim 6 , wherein the identified 3D model of the object represents a building and the geographic perimeter represents a boundary of the building. 8. The system of claim 7 , wherein the one or more computers are further configured to: receive, from a client computing device, a request for one or more 3D models of objects including the search term; identify, by the one or more computing devices, the system tag based on the search term; retrieve the identified 3D model of the object from memory based on the system tag; and send the selected 3D model of the object to the client computing device.