Fillament filter [Read Description, print at 105% most of the time]
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As title said a fillament filter
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I designed a few filament filters over the years some you screw open, some you snap together, some print in place etc. In the end they always had something annoying, because with frequent filament changes you had to unscrew a lot, or when the filament would go in it would snag internally to something. E.g. the filter medium.
Last week i finally bought myself a bundle of 500 small magnets. So i made some magnetic projects, including the filament filter. Its a simple rectangular box, with some magnets glued inside of it. With a lid. It opens easily, snaps satisfactory and makes removing the filter medium fast and easy. Opening the lid doesnt require any time, to feed the filament trough so it doesn't feel like a chore anymore.
Requirements:
Some adhesive, such as superglue for the magnets, i personally use contact glue.
Some ( at least 4 at most 14, 1.5mm thick 4mm diameter magnets. Be sure you line them up with the correct polarity.
Any fillament. If its inside of a enclosure use PETG and higher resistance. PLA warps a bit.
2 fittings/couplers, I use these as i love them. I hermetically seal from the fillament dryer all the way to the nozzle to avoid moisture for engineering materials.
If your printer isn't 100% calibrated (or your not printing at 0.12 resolution) enlarge the entire print by 5% in Cura etc. so 105% in total.
Note: I add the tiniest bit of lubricant to the cottom/sponge inside the filter. like a drop or two essentially. But your mileage may vary. For me it stops the filament from clogging.