ArduCopter 3D Printed Spacers for Mounting Power Distribution Board

Just a simple replacement spacer I designed when all 4 of my PDB spacers broke. Unfortunately I'm unable to design and print a threaded spacer so these just slide into place and are mounted with some thin CA glue. You can learn more about it here:

http://www.youtube.com/watch?v=h8lYfJZQSO8