Ender 3 Adjustable X Endstop Limit Switch

Update 5/27/2019: Here is the endstop/limit switch cover that I used that goes well with this part: https://www.thingiverse.com/thing:3394736

UPDATE: 3/3/2019: Uploaded V3 of this part which should fit Early Ender3's with longer stepper shafts and pulleys with grub screws (ie, not press fit).

UPDATE: 2/2/2019: V2 of this part fit for those with press-fit pulleys and more recent Ender3s with shorter stepper shafts,
But for Older Ender3s with pulleys and grub screws it doesn't give the clearance from the pulley needed to give the full endstop range to allow to print all the way to the X edge of my bed. The stepper motor shaft just slightly interferes.

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I remixed this to expand the space for the solder joints on the back of the board, to make the cutout more symmetrical. It seems like that my specific solder joint on my X endstop switch was positioned lower/differently than oldcrow66's which ended up with interference. It would have worked if I force