Filawinder Cardboard Spool

With my new Filastruder and filawinder in hand I have quickly filled the couple of empty plastic spools I've been saving, I also wanted some smaller spools for 250G runs of filament for some custom colours.

I designed these to be simple to make with materials at hand that would fit the filawinder spooler and wont bind on the servo arm. It is close on the first position so you may need to move back one notch.

By using the same sides and varying the spool drum width (90mm postal tube) yo