Filament cleaner for Ultimaker

Simple holder for a bit of sponge to remove dust and hairs etc from filament before it goes through the feeder and extruder.

3D printer parts and enhancements

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Description

It may be a good idea to lead your filament through a sponge to automatically clean off dust, hairs etc. Couldn't find one for my Ultimaker, so I made a very simple one with OpenSCAD. I think the sponge causes very little friction, so no issues with printing and retraction. I'll see how it goes, maybe change the design a bit.
Using the scad-file it's very easy to change dimensions if it doesn't fit your printer or if you want a different thickness etc. I made some stl-files with and without screw attachment and square cutouts.

cleaner.stl - simplest one, just clamp it on the filament feeder 
cleaner_screw.stl - can be attached to the feeder using a screw that's already there 
cleaner_squares_screw.stl and cleaner_squares.stl are the same with some squares cut out in sides and back to make it even lighter. More difficult to print though.

Cut a piece of sponge and feed the filament through.

Just a copy of my thing at http://www.thingiverse.com/thing:133353 :)

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8a96788cae9b2857c02cb3c80fc6a118?default=blank&size=40Tobias Denzler added this to the Ultimaker collection ago
33aa00a23023f266cdc0b4134e6e002e?default=blank&size=40J.K. added this to the filament cleaner ultimaker collection ago
790db36ddc5b49cfce3382908cbc2298?default=blank&size=40JanPieter published this design ago