Universal Spool Adapter
by JavaGrinder, published
req 1/4" diam. ball bearings
This adapter is held together by 1/4" diam. ball bearings and supports a wide range of spools.
Print 2 stands and 2 endcaps. Snap them together with the ballbearing slot at the top. Mount your spool on the spool rod, then line it up with the endcaps and load in ballbearings.