Refillable Desiccant Bag

This uses sock-length nylons to make refillable desiccant bags for keeping filament dry. It won't spill and can be crammed into any available space. The nylon mesh doesn't restrict air flow compared to solid cases with openings. The funnel screws into the opening and makes filling a breeze. It empties easily for drying the desiccant. I use crystal kitty litter which is very cheap and works as well for me as the official stuff. (That's unused kitty litter. Used litter would be even cheaper, but...)

If you make one, 10% infill works fine. The thread clearance should be ample. If it is too loose, an o-ring on the plug should solve the problem. Note you only need to print one funnel.

You need 2 cable ties 12 inch (300 mm) long and sheer nylon hosiery. Ankle length is probably best.
Stretch the nylon completely over the top piece and fasten with a cable tie. Then fold the nylon back and fasten with the second tie below the first one. See the last two pictures. Fill with des