Very simple holder/hanger for Limit adjustable precision square (100x70 or 150x70). You can print bigger one for both squares, works fine, but it's a bit too loose for me ;)

Use with 4mm screws.

Printed with 4 walls, 3 top shell layers, 4 bottom shell layers and 15% gyroid infill. 

I rotated it for 45 degrees when printing (look at .3mf file).