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barrett-kostrewski

extensive filament flow on start up.

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Actually, the whole can be considered positive, because it guarantees a clean print start with enough material in the nozzle. So the skirt is almost superfluous, which is only stored so that the object to be printed at the beginning gets enough material.

Previously, the filament was very much drawn back at the end of printing. On the print start, was the possibly deformed and still cold filament pushed through the ColdEnd into the heating chamber, as prepared more problems than good in some machines. And maybe the previous procedure has inflicted on the very sensitive ColdEnds damage, so it came to faster wear.

 

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