Prusa Core One Spool Holder Extension
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Snap on spool holder extension for spools with too wide inner diameters. No supports needed. Requires magnets.
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Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial
1. Use case
This easy snap on adapter is made to lift up spools with too big of an inner diameter to flawlessly run on the spool holder. The adapter works as shown in the shematics below. And will prevent the outer diameter from dragging on the lower plane of the spool-recess of the Core One.
2. Installing Magnets
I created multiple versions of the adapter for different magnet diameter sizes.
After printing two halves, apply the magnets by pushing them in the designated openings. In total you will need 8 magnets. The magnets should stay in place by friction. If not, some glue might be required. Make sure to insert the magnets in the correct orientation (S/N), so that the halves won’t repell each other. The magnets have to have enough strength to keep both halves together during printing.
3. Installing on Core One
To install, just snap both halves together on the spool holder arm. Due to the geometry of the holder, the adapter will fit onto it in a proper way only in one orientation. The adapter must be able to freely rotate on the holder. During printing it will rotate with the spool.
