Cardboard filament reel bushing
prusaprinters
<p>Something for the cardboard spool to ride on to avoid wear of the inner spool hole.<br>A few times I came down to check on my Ender 3 only to see a bunch of cardboard dust because the reel had crawled up the side of my roller based spool holder and was wearing on a non-moving part. This fits snugly in a Duramic cardboard spool with an inner diameter of 55mm.<br><br>As I use black PLA for most everything, some pictures may not be very descriptive.</p>
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