Attachment hook for perforated plate, perfect for tools like small-medium size spanners/wrench sets. Standard size for 38 mm board. Uses M3 nut and bolt for tighten.

Printing setting suggestion:

Orientation: On side
Infill: 80+% (Gyroid or honeycomb)
Walls: 6+
Top/Bottom layer: 3 or more
Material: PETG or ASA