Anycubic i3 Mega Filament guide with 688 bearing
thingiverse
A small adjustment has been made to ensure compatibility with 688 ball bearings like this one: https://www.ebay.com/itm/10PCS-688-2RS-688-RS-Rubber-Sealed-Ball-Bearing-Miniature-Bearings-8x16x5mm/401227316365?hash=item5d6b02fc8d:g:krUAAOSwiONYLa1A Two versions of the wheel cover exist: * The original, which is suitable when the filament originates from above * A narrower version, ideal when the filament comes from the front Initially, there was excessive friction when the filament emerged from the top, causing printing defects. The customizable narrow wheel allows users to adjust the angle in a Freecad spreadsheet. Note: Following some testing, it appears to work somewhat, but results are far from optimal. Ultimately, a PTFE guide was used instead of relying on a moving wheel.
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