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Print failure unclear as to how  

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Dave Lee
(@dave-lee)
Active Member
Print failure unclear as to how


hello prusa forum, I had some recent issues with my print and on the photos above show my print failure with my nozzle slightly cleaned up with the silicone sock busted off due to the print failure. I was wondering why my print was failing again and caused such a mess since I had just opened a new roll of PETG and tuned it while also increasing the bed temp to 100 degrees C to make sure the bed temps were suitable along with cleaning the build plate with dawn dish soap. And in California weather which is very dry in the 20-30 ranges of humidity I shouldn’t have any issues with filament. So I was wondering what I should do get another silicone sock, get a 3rd party build plate etc. The model for the print in case needed is on printables the model/stl being the master sword with the standard version of the crossguard attached is a link to the model:

https://www.printables.com/model/252630-legend-of-zelda-master-sword-botw-totk-full-scale

 

Posted : 26/09/2025 3:32 am
Robin_13
(@robin_13)
Reputable Member
RE: Print failure unclear as to how

Not sure what your failure is but it may be filament related.  Humidity is a pet peeve of mine and it is dependent on the air temperature.  30% at 25 degrees is different than 30% at 30 degrees for moisture in the air.  New filament can have lots of moisture in it, new doesn't mean dry.  I experienced it recently and have read about it since before I got my printer.   Do a test print and watch the filament come out and if there is steam or bubbling, then there is moisture.

Many suggest you dry all new filament first.  

I also had an issue with a slow leak between the nozzle and heater block.  Silicone sock covered the leak until I ran into print issues as the sock was pushed lower and was making contact with the model.  I had changed to a steel nozzle and the temperature for tightening it wasn't hot enough for when the printer heated up to the higher temperatures.  Interesting what you find out.

Posted : 20/11/2025 4:57 am
Diem
 Diem
(@diem)
Illustrious Member

Those files are going to need a very clean print-sheet ...

Please show us your hotend/nozzle assembly from two more angles.

Cheerio,

Posted : 20/11/2025 6:22 am
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