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Cardboard spool insert.
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Model information
- Source
- Printables
- Category
- Accessories
- License
- GNU General Public License v3.0
56mm cardboard inner diameter to 52mm inner diameter insert adapter.
Print 2 per spool. Press in, enjoy smooth unspooling.
Tested in Formfutura and Real Filament cardboard spools.
You can recycle them.