Ball Bearing Filament Guide
thingiverse
This is a handy guide to mount near your extruder that reduces friction when feeding in filament to nearly zero. Two 608-style ball bearings keep everything running smoothly and can be secured with M4 screws. Be cautious not to over-tighten, as I unfortunately learned the hard way. The details are clear, so feel free to take it out for a spin on your own Multec Multirap M420 printer. \n \n \n Installation So far, this little helper has performed beautifully when set up at a 0.2mm layer height. Just keep an eye out for the bearing seats – if they're too snug, you might want to gently smooth them down a bit.
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