75mm Spool Shim
thingiverse
The spool holder https://www.thingiverse.com/thing:2135132 made by gspence was ideal, but was too small to latch with the Sunlu filament spool I have, which has a 75mm centre hole. This tapered shim reduces the hole side to around 60mm for the spool holder to work.
Download Model from thingiverse
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