This small device can protect your FFF 3D printer from two common issues - cleaning and lubrication. A sponge wipes the filament clean from any dust particles and prevents them clogging the extruder. By dropping a few drops of common mineral oil on the sponge the filament passing through gets lubricated thus relieving the extruder motor from strain. Lubrication is specially useful if the filament needs to travel through long tubes before it enters the extruder. Related thing
2014-10-27 - Update: A new version of the filament filter is uploaded. It has a smaller exit hole for the filament which prevents the PTFE filament guide tube entering the filter. (new file: Universal filament filter v02 (smaller exit hole).stl) By Creative Tools
