Nut shaped ring (sizes 3 to 13)

Simple ring shaped like an hexagonal nut. Sizes 3 to 13 are included in the thing as well as the FreeCAD source so you can change any aspect you want of the ring.

To print with premium filament for a better effect, wood is really nice.

Included are the stl files and FreeCAD source, enjoy, share and remix as you wish.