Precision End-Stop control for Ord Bot.

Note: I sincerely apologize for the first version, I concede that it was rubbish. Hopefully this will make up for it.

1) Print
2) Use M4/M5 screw in the top for the adjuster
3) Slide into the Makerslide Groove
4) Use M4 screw to fix to Makerslide in rough position
5) Adjust the precise position with the top screw