Today, something very simple but which I think will be very useful for future pictures on this blog: slepcat's Paper Clip to set up simple photo background on Thingiverse.
Thingiverse link: http://www.thingiverse.com/make:48961
Settings: Afinia .3mm default fast in 29 minutes.
Technical notes: On the settings I used, the gap for the paper came out perfectly. It might be worth keeping this model in mind to help guide future designs that need to have a small clearance gap.