https://github.com/brickbots/aball ← Link to Original Open Source Project
Hello!
This is a modification + Extra bottom plate i made for my aball trackball project. It adds much more thickness, areas for 6mm rubber feet, and inset M2 nut hexagons to screw in standoffs.
The aball trackball is a open source trackball developed by brickbots on reddit & github (Shown above)
The author hasn't provided the model origin yet.