By some stroke of luck, you've made your way here. The Ploopy Trackball. Your life will never be the same.
This repository contains all of the design and production files necessary to make a Ploopy Trackball. We've also included some kick-ass documentation in the Wiki on how to get it made, assemble it, and program it.
What are you waiting for? Your new life awaits.
The firmware is released under GPLv3. The hardware is released under OHL CERN v1.2. Check the respective directories for full license text.