I would think that for body scans the free version od david should be good enough. All you need is some kind of corner, a line laser and a webcam. Should not be that much of a problems, I tried it with a cheap line laser from the toolshop and got good results.

A ship in port is safe; but that is not what ships are built for.
Sail out to sea and do new things.
-"Amazing Grace" Hopper

Avatar image of me done by Chidori.