Bought some filament of XINGTONGZHILIAN. The spools have a diameter of 18.3 cm and are wound up to the upper edge which causes an issue when the AMS rewinds the filament (filament jumps from the spool).
Existing designs waste to much filament. So I have designed a filament-saving (very) tight-fit adapter that increases the diameter to 20 cm. Also added a lip on both inner sides so that it snaps into place.
Notes:
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