Doweling Jig, self centering

A self centering doweling jig.

Can center on materials between 12-50mm. Center has a V-notch for easy positioning on a marker. Support arms(Orange) is extended so the jig easily can be fixed with a clamp. Top support arm has a cutout for better visibility and easier placement on a marker.

It uses two 22mm 608 skateboard ballbearings for centering the drill. The ballbearings can be easily switched for different size if you want a bigger dowel. Assambley is done by M4 screws and locknuts.


Parts used:
2 x 22mm skateboard ballbearings.
4 x 25mm M4 Screw
2 x 12mm M4 Screw
6 x M4 Locknut

Print is in three parts, center, arms and supportbeams.