This works with 4 things:
Microswiss Direct Drive Linear Rail adapter
Ender 3
My Printable Endstop For ender 3 with longer VGS endstops from Big Tree Tech or similar format. (https://www.printables.com/model/186490-ender-3-x-axis-end-stop-mount-flush-and-works-with )
The author hasn't provided the model origin yet.