57 mm spool hub
Description
Hub For 57 Mm Filament Spools (I'Ve Had Good Experience From Excelvan Filament, No Affiliation Otherwise). Two Versions Supplied, Both Will Do The Job, But The B Version Makes For A More Secure Fit - Use This If There Are No Side Supports (Other Spools Close By). Insert A 608 Ball Bearing After Printing And You Are Done. Sketchup Files Supplied - Reported To Be Manifold.
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