Prusa MK3/MK3S Spool Holder - with Filament Guide Extension v3
thingiverse
This is a modification of the B3 version of the origin Prusa MK3/S spool holder. I've just added an extension onto it to act as a filament guide. The extension is twisted a bit at the end so the filament doesn't get bent too much when the extruder is at the highest Z-value. Included is the complete stl, and also the extension by itself, in case you want to print it and melt/glue it onto an existing spool holder.
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