MMU Buffer cassette loading aid Pull Tab, with added lip
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The idea to load filament without having to pull the cassette is AMAZING. This guides the filament to the PTFE tube
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- Printables
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- Prusa Parts & Upgrades
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- GNU General Public License v2.0
I'm linking both models I used to print the parts for my MMU3 on my MK4. This remix will work for the MMU2 or MMU3, for the R3 or R4 segments.
Many people who have printed these commented that they needed to lubricate the parts to get it to work. I didnt want to add lubrication or filing to the segment to get it to work consistently.
I find that with the remixed pull tab, I don't even have to cut the filament at an odd angle (BUT, you still should).
With the original, my filament kept getting hung up on the triangle part that receives the pull tab. So this remix adds a “ramp” to the pull tab, to guide the filament over the lip, so it does not get caught.
For even smoother inserting, just sand that ramp ever so slightly after printing. Now it does not get stuck on me.
I printed at 100% infill, no supports or brim at all.
Use PETG