RODAM Ender 3 Spool Holder - Fat Mod - Reel Adapter for Hollow spools
thingiverse
I've been using the great RODAM Ender 3 Spool Holder - Fat Mod by goehler (https://www.thingiverse.com/thing:4368727) for a while. However, the spool holder doesn't work well with filament reels that are hollow inside (see photos attached), making the spool twist and sometimes getting caught on the RODAM bearings. To fix this, I designed this simple adapter that fits into the filament spool and eliminate this issue. The adapter has approximate dimensions of: 78 length x 52 smaller diameter (mm).
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