Neat, but it seems like a "good enough" solution shows up near the end of the video right next to the new solution: cardboard spools. But hey, the more options the better, so good on them for offering this.
this post was submitted on 02 Nov 2023
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My experience with cardboard spools is that they deform a lot more easily than plastic. This is a problem for me as I vacuum seal my spools for storage since I live in a swampy area. Once deformed, they don't roll as smoothly (and they already don't roll as smoothly as plastic even without deformation). They also shed a lot of dust.
I prefer not throwing away plastic spools, so I still mostly prefer cardboard, but a solution like this one is the sweet spot IMHO.
Print a plastic hub and insert before you vacuumed seal, easy to reuse and makes the cardboard rolls easy
To be fair, never had a problem with cardboard spools so far. But I also have a reusable spool from Sunlu I'm using for most of my "normal" filament where color doesn't matter.
Nice idea
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https://piped.video/watch?v=XwJENahtH0I
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Definitely better than the usual full plastic spool, but IMHO a step back from "true" masterspool refills. I've already printed my MS spools, switching in a new refill is easy enough, and I never bother to store an already opened refill without a spool since I store all of my filament in a drybox anyway.