Jumping on the CAD posting bandwagon (cutting it a little close...). Here are some CADs in progress we wanted to share before the season started:
Rectangular and Hexagon Drive Train CADs in progress available for download here (under "build files"):
http://palyrobotics.com/resources
A random CAD of a drive train encoder mounting plate that was finished to late to add to the CADs above before they were posted:
https://drive.google.com/open?id=0B5...Xo2c09WQmVlY2c