A battery holder/dispenser for AAA batteries that mounts to a standard, run of the mill pegboard.  It uses four ¼" automotive fasteners to attach.   The hole pattern is 3" wide and 2" tall.

Holds 12 batteries.

The build plate footprint is fairly small, so if you have adhesion issues, I recommend mouse ear brims, like the slicer screenshot.

There is a built in support in the bottom, to aid in the long bridging move when it starts printing the vertical chute.  You should be able to remove the support after printing, but poking something down from the top, and pushing the support out the bottom.

Print using PLA, or whatever you like.

These are the fasteners I use to attach it to my pegboard:

https://a.co/d/4ySkFy6