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Can't get a good print on this part  

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stevepetersen
(@stevepetersen)
Member
Can't get a good print on this part

I have an MK3S factory assembled.  I have always had some trouble printing clean parts with this printer.  Recently I decided to start from scratch, so upgraded to firmware 3.14.1, factory reset (all data), and successfully passed the selftest.  Did a first layer calibration (-2.200mm final offset) with good lines in the test pattern.  Upgraded the Prusa slicer to latest 2.9.4 and reset all of my custom settings so using factory settings for Prusament PETG Matte Black (250/80 deg).  Using FreeCAD with .3mf output to the slicer.

I've uploaded a few shots of this part - with all of these settings, I get about 30 minutes into the part (.2mm Quality sliced) and the machine starts crashing and basically keeps crashing every 5 minutes or so.  Can anyone help me debug this thanks!

Posted : 07/02/2026 10:30 pm
stevepetersen
(@stevepetersen)
Member
Topic starter answered:
RE: Can't get a good print on this part

Here are some more print attempts.  The second one was at 80% print speed (using dial during print)

Posted : 08/02/2026 12:12 am
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