Wallinity
Wallinity is a silly name for Gridfinity inspired wall brackets. The main point was to make the workplace easily organizable and reorganizable in accordance with momentary needs. The brackets are quite sturdy to survive harsh handling in a workshop, but will serve well i.e. also around a 3D printer. I've been using it for a year before publishing and I am very satisfied with how it works for me.
Don't hesitate to design your own variations of holders; FreeCAD files for brackeet and holder base are included.