Another Ball Bearing Filament Support  Ender-3

Another Ball Bearing Filament Support Ender-3

thingiverse

The filament roll holder relies on a central 8mm diameter metal or plastic tube where the two ball bearings are securely fixed in place. Print vertically and take advantage of supports for the main structure. I purchased the ball bearings from here: http://bit.ly/2TSHYj2. This component is often paired with a filament weight scale, available at https://www.thingiverse.com/thing:3537459.

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