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

The most obvious use for old spools is new filament. Some filament manufacturers sell refills that don’t include a spool but ...
Hackaday

This $0 Filament Drybox Needs Nearly No Parts

All 3D printer filament benefits from being kept as dry as possible, but some are more sensitive to humidity than others. The best solution is a drybox; a sealed filament container, usually with some ...