General Catalyst Leads Seed Round in 6D.ai to Bring the AR Cloud into Reality6D.ai platform uses the built-in smartphone camera to crowdsource real-time, three-dimensional semantic maps of the world SAN FRANCISCO, March 30, 2018-- 6D.ai, developer of APIs for engaging AR apps across all platforms, announced today its equity seed round led by General Catalyst with GC's managing director, Niko Bonatsos, joining its board of directors.