Automatic Spool system

Itself dispenses automatically A modified spool holder to go beyond the basics.

simply insert a spool & insert the filament right through the hole & then itself dispenses

Preventing filament from unraveling or tangling Especially with a direct feed extruder & you can also add foam to have a dust filter for your filament and

It's additionally useful for 3DPrinters where an alternative spool holder would be more convenient for spools up to around the size of a kg of filament

( published by the owner of the idea)