This holder is for a set of countersink bits with shaft diameters of 1/4", 3/8", and 1/2". The holder has room for all of the pieces in the set, plus a few extra holes because why not!

Some features:

- Hole tops are tapered for easy insertion. - Wells are open at the bottom for easy cleaning - Bottom holes are rounded to enable printing without supports

The OnShape 3D CAD file for this part is available here:

https://cad.onshape.com/documents/182eb7d99bff40116114504a/w/9895ad50b15e15344d2dcef5/e/fe6ad6519593e508bd28f0bc

Print instructions

Print top side down. Fill settings are irrelevant because the part is thin-walled throughout.

No supports are needed.