The only added part is this 3D-printed fitting. [Spacefan]’s solution uses a filament roll’s own packing materials and a single 3D-printed part to create a sealed environment for a single roll.

On that note, keep in mind that the prints on the project’s landing page are the results of hundreds if not thousands of filament swaps — truly an astonishing feat. Beyond reliability is the ...

A well-designed spool holder ensures easy filament roll-off, reducing tension and ... mean less time tinkering and more time ...