Cube3 Back-2-Basics Groove Cutter (B2B Project)

This is the final piece to the Back-2-Basics 3D Systems Cube3 cartridge revamping project. This device is intended to help make the groove in your 4mm OD bowden tube.

This device requires a cutting edge of some kind. You have more or these laying around that you might think. From a jewel's screwdriver, eyeglasses repair kit, or a spare broken spoke from your bike. Basically any metal thing round thing that is about 2mm wide.

I won't get into the details to much further. Basically, you