Center Hex Nut and M3x12mm Threaded Spacer
Free     Printables     Beau

Center Hex Nut and M3x12mm, Threaded Spacer

I modified the center to hold a hexnutlocknut I made the side cutouts deeper to accommodate M3x12mm Threaded spacer ...

similar models —

Center Hex Nut and M3x12mm, Threaded Spacer alternatives
Nut and Bolt
Xavier Marquet
Spacer blocks
Darrens Workshop
12 Inch Hex Nut Knob
Timmy Turner