Rivet Pivot Test

Since a Thing-a-Week was too often, it's time to try a thing-a-day!
TAD Day 2 - http://thing-a-day.com/rivet-pivot-test
TAD Day 3 - http://thing-a-day.com/rivet-pivot-test-2
http://thing-a-day.com/tag/IHeartRobotics

Previous Adventures
http://www.iheartrobotics.com/search/label/thing-a-month
http://www.iheartrobotics.com/search/label/thing-a-week

----

It would be useful for building robots to be able to cheaply and easily create a rotating connection between two 3D printed parts. T