Pliers holder.
Mountable with two 3.5mm srews.
For the pliers nearly every owner of a 3D printer needs.
Mount on your wall, your printer, your board.
Update 11/2022:
New version for IKEA Skadis pegboard.
You need additional two hooks from that "thing" - https://www.thingiverse.com/thing:2853257
The author hasn't provided the model origin yet.