I took my gear selector wheel from the MK3S front panel and reworked it to fit onto the x-axis motor output pulley. For entertainment value, I added a single stripe with a paint marker.
During circular interpolation you can observe the velocity change in the X-Axis. The Y-Axis is doing the exact opposite.
The stl file works for both PETG and PLA. In the picture, the white wheel is PETG and the silver wheel is PLA. The PLA G-code file for the MK3S is included.
If you would like to make a different version, I'll save you some time. The bore RADIUS is 7.03mm and depth 9mm. Enjoy !
The author marked this model as their own original creation.