Turntable for taking photos or video. It's designed to be motorized and rests on 608 bearings! There's now working controller software in the github repository.
This is a scratch rebuild for 608 bearings from the measurements of https://www.thingiverse.com/thing:1826589 (where you can also find some driver software)
Electronics and software now at: https://github.com/Inhibit/3D_Designs/tree/master/Motorized_Turntable
Build Video now up on YouTube: https://www.youtube.com/watch?v=Fnc5LVbg8Z8
And a write-up on PCBurn: https://pcburn.com/motorized-turntable-for-video-photo-and-3d-scanning-diy/
12/15/19 Mk3 Update: Base structure is now rigid, a lip is added to the table to make better contact with the bearings.
I printed this out of PETG with the default settings on the Prusa i3 Mk3. I believe it was at 20% infill with no support, layer height set to .20mm Quality. It shouldn't matter too much what you use as all the features except for the clip are large enough to not matter.
The author hasn't provided the model origin yet.