3D photography (photogrammetry) goes back to da Vinci. In this presentation, we take you through a history of events that have led to the revolution we're seeing with 3D printing, drones and VR. Historic events compiled mostly from by Aer0metrex_admin on the site titled, 'A brief history of aerial photogrammetry' - http://aerometrex.com.au/blog/?p=203