Spool-hole Desiccant Canister
Description
Lots of people have designed containers for desiccant (silica gel). Lots of people have designed such containers to fit in the centre hole of a filament spool. This one is mine. ### Features * Sized to fit in the 50mm centre hole of standard 1kg filament spools. * Hexagonal shape allows airflow at the sides of the canister. * Shorter printing time (3 hours) than other designs. * Threaded cap * Wings on cap hold canister at the top of a stack of spools. * Fusion 360 archive provided for easy remixing. I designed it to use with my cheesy dry-box solution: 19L plastic buckets from Home Depot. They have an airtight lid, and can hold four 1kg spools stacked up, plus some smaller spools tucked alongside. I used to just toss in the desiccant packs that came with new spools, but they're small, and I think they're all depleted. I found the humidity in my buckets was scarcely less than the room. After filling the canister with freshly-baked silica gel, the relative humidity in my dry buckets dropped from 50% to 38% overnight.
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