Belt tensioner gauges for Sovol SV08

I created these gauges to solve a few problems with the belt tensioning of the Sovol Sv08 and to make the adjustment easier. Sovol has put a video online on how to tension the belts, but it is a bit opaque and doesn't really work. I am referring to the following points. It is said that you should push the frame forward and position it so that the distance from the center of the idler sprocket on the right side to the center of the sprocket in the tensioning unit is 150mm. This dimension sh