Filament spool adapter for 55-75mm spool inner diameter. You can use 608ZZ bearings with it, or use it without bearings - max 10 mm shaft.
It has 4 holes for M5 screws to hold everything (spool and 2 adapters) together.
GC_filament_spool_adapter_max75mm_v4_low.stl | 173.7KB |