These are tool holders for a Biltema (Swedish store) pegboard. The holes are cc 12mm and has a diameter of 3.5mm. The FreeCAD files are included so you can modify them to fit different pegboards.
A desk mount is included which fits a standard ikea desk
The tool holders included are bottleholder, clamp, dremel, dremel tools, drills (two variants), electric screwdriver, files, glue gun, glue stick, multimeter, pliers, scalpel, screwdrivers, tweezers and hook for anything that just needs to hang.
The author marked this model as their own original creation. Imported from Thingiverse.