Don't throw away your empty 3D printing filament spools—here's 7 ways to repurpose them

Some filament manufacturers sell refills that don’t include a spool but instead wind the filament around a cardboard insert ...
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I pit the Snapmaker U1 against the Bambu Lab H2C – which one should you buy?

Both of these 3D printers are 5-star, so there's no wrong choice.