Filament Spool SyStem V2.0

THERE IS NOW A VERSION 4 - SEE THING 6711754

The idea of this project is to keep the filament dry and dust-free for many months after it has been removed from the shipping bag. I have some filament colors and types which I seldom use, and this keeps them in perfect condition.

3-6-2019 UPDATE
I have been using a packaged drying agent for over a year with reliable results. See:

https://www.amazon.com/gp/product/B01BEEVDVK/ref=oh_aui_search_asin_title?ie=UTF8&psc=1

This brand has exceptionally durable bags - they have some cotton fibers in the paper, and they are easy to recondition buy putting in the microwave for 40 minutes on the defrost setting - do not use regular heat. You will notice the bags swell up during the warming because the water vapor is given off. I then keep the reconditioned bags in a Ziplock bag. I have bought some color indicator desiccant which comes in plastic bags, and this does not work well. When you warm the bags, the plastic becomes brittle, and