Dry-Bag Spool Holder

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Keeping your filament dry is a PITA. Even if you have a nice dry storage box, every time you finish printing with a spool, you have to take it off and put it in dry storage. With this filament holder, you can keep feed your filament directly out of a dry storage bag and leave it there after you've finished. The basic spool holder is a "rim-roller" design build into an oval-ish tray. The filament feeds out through a small hole in the base. Then just put a plastic bag over the spool and secure to the edge of the tray with a rubberband. (I recommend using a jumbo-sized ziplock bag with the ziplock section cut off.) Placing a couple of desiccant packs in the tray or spool center will keep your filament nice and dry. Here's a short video showing how to easily get the bag and tray set up: https://youtu.be/h7Js7VSmK8Y **Printing** Print everything with 0.2mm layers, 0.4mm line width. Print 1 base, 4 axles and 4 rollers. Clean up any nits, strings or blobs before assembly. And make sure the rollers spin freely on the axles before assembly. **Assembly** Apply a little grease or vaseline to the holes before inserting the axles though each roller. In the base, the slots for the axles have a flat bottom which should align with the flat sides of the axles as you press them in place. Test spin all of the rollers to make sure they spin freely. The axles should stay pressed in place, but if they are loose, you can (carefully) use a small drop of superglue to secure the axles to…