3Novatica 3D GATE Z-axis end-stop fine adjustment

Solution for default printer z-axis end-stop lack of accuracy and adjustment. Very simple mod which gives accuracy and ease of use.

Mounted on 40x20 (5mm openning) aluminium profile and SMA12GUU linear bearing.
End stop limit switch WK601 - mini , 19.8mm width.
Models mounting holes for M5 screws.
Adjustment screw is M4.

Project is a free interpretation of one seen on internet but without published models.
Concept source:
http://forbot.pl/blog/artykuly/mechanika/druk-3d/drukarka-3d-g