Sunlu Refill on Bambu Spool Adapter

Sunlu Filament Refill Adapter to use Bambu Spool. I have only tested this on the WHITE Bambu spools though it may work on the others, I don't have any other style Bambu Spools to test fit. NOTE(s): I discovered one of my Bambu Spools has a very slightly larger bore than the rest so I added a file with Extra Bore Clearance in case you run into the same… v9 is the tighter bore and v11 is the looser bore. Then I found a couple of Sunlu refills I just received are even NARROWER so I updated the thickness accordingly in v12.



The Sunlu Refill sets that include one “Sunlu Master Spool” and several refills wrapped in velcro are a moderately inexpensive way to get decent filament, especially when on sale. The problem is that the Sunlu Master Spool is a sloppy fit and has some feed and retraction issues in the Bambu AMS (possibly even pulling as a single on the external holder) because there is too much slop between both the sides and the spindle. Making a spacer for the side of those Su