I first saw this app a few months ago, well before I had decided to get into 3D printing.
Trimensional is an iPhone app that lets you take 3D photos. I thought it was just a fun camera app to make animated gifs like these:
That is until they added the ability (via a modest in-app purchase) to export the scans as files that can be read by a 3D printer (.STL), like my MakerBot:
So here’s the scan of my face from above, printed in ‘nuclear green’:
Pretty cool and just a little creepy!