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 ...
Hackaday

3D printer filament spool

Most 3D printer filament soaks up water from the air, and when it does, the water passing through the extruder nozzle can expand, bubble, and pop, causing all kinds of mayhem and unwanted effects in ...
ZDNet

Yes, 3D printing can reduce plastic waste: Repurposing a filament spool

Plastic waste is a big problem in our world today. It's important for makers who use 3D printing technology (which generates plastic objects) to consider the waste hierarchy paradigm. Here's the thing ...
Fabbaloo

A Long-Needed Database For Filament Management

D Filament Profiles attempts to standardize and track 3D printer filament inventories, and that could simplify FFF 3D ...