SUNLU Spool Adapter for Bambulab, Sunlu, Jayo Refill
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Adapter for older SUNLU spools (50,8 mm inner size). 41-1, 42-2, 43-2 etc.
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Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution — Share Alike
I designed this adapter to allow Bambu Lab, SUNLU, Jayo.. refill filament to be used on reused older version SUNLU spools.
I tested several existing adapters, but most of them had incorrect locking mechanisms. The main issue is that the SUNLU spool is not fully symmetrical, so many adapters do not align or lock properly during assembly.
Because of this, I decided to model my own adapter with correctly positioned locks and guides.
Installation Instructions
Glue the adapter into the larger half of the SUNLU spool.
Align it using the guide marks or locking features on the adapter and the spool.
Insert the Bambu Lab refill filament into the spool.
Assemble the two halves of the SUNLU spool as usual.
Once installed, the refill sits securely and the spool can be used normally in the printer.
Added version with pin on the other side - would better for the RFID
The adapter can also be used with wider versions of SUNLU spools, but the spool must be modified before use.