Ultimate Snapmaker U1 Filament Enclosure, Cover and Case, with hot-swappable dessicant holders
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Remix of Imam's excellent filament enclosures with desiccant holders that can be replaced without removing the cover.
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- Creative Commons — Attribution — Noncommercial
These excellent covers from Imam had one major flaw, and that is the desiccant holders inside the top cover. This remix allows the covers to stay in place while the used desiccant is refreshed with a fresh batch straight from the dryer.
The desiccant cups have a 30° sealing face so they don't leak air, thicker 3-start threads to be almost impossible to cross-thread, hold 50% more desiccant beads than the original, and contain the beads even when not installed in the cover.
Print the desiccant holder cups and caps in PETG or PCTG. If they will be going in a dryer, test an empty container to verify it will not warp. Caps are symmetrical so they can't be installed wrong. Printing each set of 3 holders in a different color helps keep track of sets for a rotating drying schedule.
If you want to add these desiccant holders to another project, there is a cutting tool in the Onshape file that will make threads, seal chamfer, and hole with the correct clearance. https://cad.onshape.com/documents/593f923e463aad9b31a7d93a/w/a802b03b47da726fde9e500f/e/d9d88d4c94c05a56cb82233e?renderMode=0&uiState=6a8f8f99323a86b6994677f6
I also removed the channels for adhesive tape so you can use any width of tape in any pattern; this also reduces print time and material use.