I don't print any abrasive materials at all. Pretty much only normal PLA and PETG.
I noticed, that my print quality gradually went down quite a bit, especially in the last few prints. I had a lot of stringing, weird blobs, and scarred surfaces.
Now, the print quality is as good as it should be!
They are dirt cheap. You can get a set of 10-15 generic ones, in different sizes, for only a few bucks. Don't forget that they are consumables.
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Gotta be unpredictable, the nozzles can smell intent.
Gotta sneak up on them, slowly and carefully. Just like that damn snail.
Nah, that one is a decoy.
Hold
Ctrlwhile moving and PressFto change nozzle.What if I'm inhouse instead of intent?
Then you're camping!