TrinityOne Aluminatus adjustable Y Limit Switch Mount

The original switch is only mounted with one screw so it can twist easily. The original design also requires a separate part to hit the switch that is mounted on the Y carriage. This eliminates the need for that part, which can reduce the mass of the Y assembly a tiny bit.
The main benefit of this mount is that the switches mounting is more robust and it allows you to adjust the stop. Yes you can use an offset in the firmware, but this still requires the move to hit the switch. In my case sinc