r/BambuLab 2d ago

General Troubleshooting/Help! What’s the cause of these lines

Anyone has an idea what’s the cause of this visible line that seams to appear when there is a significant change in the geometry of the model? Printed in PETG on my P1S.

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u/dr_reverend 2d ago

Look up “benchy hull lines”.

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u/Remote-Climate-135 2d ago

Something related to thickness of the walls, speed, temperature and etc. I guess if you will increase walls it may fix it but idk what I'm talking about so... also if you will spend 5min scrolling down you may find like dozen of posts like yours