Tevo Tornado Ikea Glass restrainer

I have designed this restrainer for people like me who uses Ikea 300mm x 300mm x 3mm glass as a print surface directly onto the glass top (without the sticker) on the Tevo Tornado build plate.

There are 2 purpose to this design.
1. To allow easier adjustment of the first layer height. I am not sure whether I am the only one experiencing this. But whenever I turn the adjustment knob at the bottom of the plate, the screw on top of the build surface will move together with the screw and makes i