Prusa i3 Mk2 Filament Guide
thingiverse
The StrongGuide clips directly onto the aluminum frame of a Prusa printer, positioning itself neatly beneath the spool holder. Its primary function is to provide a steady guide for the filament, preventing it from snagging on the sides of the spool and behaving erratically. The 40mm model fits snugly below a narrower spool, while the 70mm version accommodates larger 1Kg spools with ease. Initially, the standard design proved somewhat fragile when printing in PLA, so I engineered the StrongGuide, which may appear less refined but boasts significantly enhanced durability.
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