Universal Gridfinity box to house most multimeters

I own two multimeters and wanted to design only one type of box, so it is pretty universal.
The max multimeter size is 200 by 45 mm measurerd on the side of the multimeter.

The overall box i made with the GridfinityGenerator
This is a remix of the Gridfinity system developed by https://www.youtube.com/c/zackfreedman