All the tools needed most always to hand.
I didn't want a holder that would also hold Allen keys, screwdrivers, open-end wrenches, etc., as these tools are rarely or never needed.
And I prefer to keep my calipers safely in the drawer.
E.g. suitable for:
Inspired by https://www.printables.com/de/model/47703-prusa-mk3s-tool-box
The author marked this model as their own original creation.