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Filament cleaner filter (M6 fitting) — image 1
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Filament cleaner filter (M6 fitting)

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Filament cleaner: 12 × 20 mm (12 × 35 mm with M6 fitting), using only 1.8 g of filament per piece.

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Model information

Category
Accessories
License
Creative Commons — Attribution — Noncommercial — Share Alike

I was looking for a small, easy-to-print, and low-maintenance filament filter, but I just couldn’t find one that matched what I had in mind.

This filament cleaner uses only 1.8 g of filament per piece and uses a M6 fitting. 

The sponge hole measures 8 × 13 mm. After a bit of experimenting, I found that the easiest sponge solution was to cut 10×20×10 mm strips, fold them in half, and push them into the hole with a piece of filament or something similar in the middle.

2025-08-23 improved infeed