You can fit spool up to 1 kg (60mm wide). The hole on the base help to not loose the wire and tangle it.
How to print: I used normal PLA with 0.28 mm layer height, 20% infill, no support required. Each piece require about two hours on my printer.
How to assemble: I've welded the two brackets at the base with heat, glue also can be fine.
The author marked this model as their own original creation.