Internal spool holder for the E3NG or other printers.
One roller is used to guide the spool.77mm max wide spools.
4x 608 bearing
or 4x V slot wheels
8x M3 heatinserts
8x M3x10 srews
2-4x M3 T Nut/M3x10 screws
No supports needed
The author marked this model as their own original creation.