I saw the Caliper Holder by 100prznt and wanted a ruler holder that matched.

The ruler holder needed to; hold multiple rulers of various lengths from 30cm to 1m, fit on the front of my laser printer enclosure and allow the removal of any size ruler without the need to  unhook them all.

This is my first design using CAD.

The holder in the photos was printed in PLA, 0.2mm layer height, 20% infill, support enabled on an Ender 3 S1 PRO.

Thank to 100przne for the idea and I hope you find this useful!