Air-tight Filament Storage

This is a modified Tupperware container to keep your filament dry. You can get them from Walmart for around $6.

You will also need four 608 bearings, a bowden fitting and some tubing.

I use a pass through fitting so the tube guides the filament through it, the other type appeared to drag a bit. I included the nuts for both 1.75 mm fittings in case you only have the smaller ones.

The cap is glued on the outside of the container with some 2 part epoxy. Scratch up both surfaces to give