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If companies that still used plastic spools are starting to switch to cardboard, I think that's a good thing. Not only is it easier to recycle, but probably also lighter (your typical 1kg filament spool weighs around 200-300g), so the bulk should save some fuel for transportation.
Though I personally prefer using no spool at all (during shipping) 😉 Wherever possible I buy Masterspool refills.
the spool is frequently included in the weight of the roll, so you're getting 1kg either way. you get more plastic for printing, though.
Uh, that would be deceiving marketing, a 1kg spool should contain 1kg of filament...
But hey, maybe my view on this is a bit warped because I only buy filament from reputable brands (and usually from their own store) and not from marketplaces like "big A" where hundreds of sellers battle to be the cheapest.It’s not a “reputable” thing … it’s a process thing. Scales don’t get zeroed every time a fresh spool is loaded. Doing so adds complexity.
It’s pretty common for consumer goods to include the mass of packaging when the product is sold by mass across most industries.