Apparently some places do 3d scans. http://www.thebirthcompany.co.uk/our-services/ultrasound-baby-scans/3d-scan.html And some random images I picked from searching for "3d ct scan" super useful for scanning and displaying things like archeological stuff that you dont want to crack open:
Kinda cool looking tool, a better use for unlimited detail than games, but I've seen 3d scan videos that seem to deal with just as massive point cloud data without issues, I'm sure there's more apps then the "slow" ones they demoed.