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Sunlu Jayo Dual Purpose Spool Adapter — image 1
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Sunlu Jayo Dual Purpose Spool Adapter

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Dual purpose spool adapter for Sunlu & Jayo - STEP File included

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Model information

License
Creative Commons — Attribution — Noncommercial

This spool adapter provides a inside diameter reducer for some Sunlu and Jayo spools.  This is helpful if the larger diameter doesn't work well with your spool holder.

I also added caps that can be used to put some weight in the center for Bambu AMS users.  So the adapter has dual uses.

Print Settings:

  • 0.2 or smaller layer height to ensure that threads print out nicely
  • Right-click and choose 'Split to parts" if you want to print the pieces individually (or in different colors)
  • Pick a cool color and post your makes!

Update 10-16-2025:   Modified the threads on the Bambu version so that they print more easily.  No supports required now.   Some printers with insufficient cooling were having issues but that is now resolved.

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