MMU3 Filament Cleaner
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Estimated printing price per file
€0.37 – €0.46 net (excluding VAT)
For file: Filament_cleaner_PLA_MK3S.gcode
This is an estimate for one file. You’ll confirm the exact price before ordering.
File and estimate settings
File used for this estimate
Average indicative estimate: €0.41 excluding VAT (range midpoint).
- Weight reported by the author
- 3 g
- Print time reported by the author
- 31.2 min
- Source material
- PLA
- Estimate material
- PLA
- Estimate printer
- Bambu Lab P1S - 0.4 nozzle
- Estimate process
- 0.20mm Standard
Indicative estimate for the selected file only, based on the author’s weight and print time. File variants are not added together. The final price is calculated after file analysis.
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Filament cleaner for Prusa MMU3
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Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This is a simple clip-on filament cleaner designed specifically for the Prusa MMU3.
It attaches directly to the MMU3 selector using two front screws. Inside, there are small pieces of sponge to wipe the dust off the filament before it enters the nozzle.
I have tested it for over 3 months and it works perfectly. There is zero inpact on printing quality.
Assembly instructions:
Put a small piece of filament inside the hole in the middle.

Squeeze two same sponges inside.

Put the lit on, make sure that you put it corectly - the extended part🟩 should click inside the hole🟦.

Place it on the two screws on the selector, make sure that the square-shaped section is on the top.

In the end screw the tube clockwise, make sure that you screw it straight.
