Prusa i3 MK3S+ Spool Holder
thingiverse
This design has functioned well for me and is very light weight. The original Prusa Spool Holder allow the spool to twist sideways and clunks causing print defects. This design rolls super smooth. I believe it would handle a 3kg spool as well but the safety bar style bracket would need to be swapped out with the "standard" LH Bracket. I accidentally printed (2) RH brackets so I will just use that when I want to print with 3kg spools. I originally posted a "make" of the excellent re-mix by RocketSquid but have since posted this re-mix. The design was based on the DWONH design which was re-mixed by Olef. Olef's design allowed a spool to sit atop the MK3 . Re-Mix Credit to: 1) Universal Spool Roller by DWONH - Excellent design but I wanted it to mount atop the printer. 2) Prusa i3 Mk3 Roller Spool Holder by Olef - Excellent design but the filament guide hits the Extruder Carriage when you move to the Max Z-zxis height 3) Prusa i3 Mk3 Roller Spool Holder with Safety Bar by RocketSquid - Excellent design (and video) with safety bar but I wanted to incorporate a filament guide into the bracket to reduce parts and weight.
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