changing the Seam setting has helped a lot! 

Posted by: @iftibashir

Does look a little extreme to be classed as a seam line, but thats the first thing I would be looking at as well TBH.

Random seam position will give you little zits at random places over the walls, so I tend to avoid them. Try to move the seam position to a corner instead.....

I've had this on my core one when I use Tinmorry petg on the generic petg profile but don't get it on the prusament for some reason.  I didn't investigate the why as swapping the profile sorted it.

I suspect it's something to do with the speed as I used to get the exact same thing with everything if I turned on input shaping on my stock mini.  Well I say speed, but it's probably some other variable isn't high enough to cope with the high speed.

100% using random for the seam position will give you zits with this, it just won't look quite as bad as it does now.  Best option would be fixing the cause and positioning the seam somewhere better.

Random seam position will give you little zits at random places over the walls, so I tend to avoid them. Try to move the seam position to a corner instead.....

• To identify once you have sliced the box in prusa slicer have on the top left where it gives info on the sliced object it should have some little icons underneath, one of which will be seams.  If you click this it will show where the seams is (it'll appear on the sliced model as a white line).
• Assuming the line shows up in the same place as the defect then you have a couple options.  You can change the slicer options to use scarf seams or random seams (there is a search bar to help you find the option) or even paint it somewhere else on the model (done on the slicer main bit using an icon on the left i think). Another option that might work is to change to structural rather than speed.

These seams look a bit rough though so I think something else might be going on.  Is the filament you are using and the slicer setting both prusament pla?  I can't remember but I believe the prusa slicer has prusa pla rather than prusament.

I'm a 3D printing beginner with my first printer. I'm currently focusing on printing assortment boxes for my workshop organization. Issue: I've noticed that ALL my printed boxes have a consistent vertical line defect from bottom to top, but only on one side of the print. During printing, I can observe that the printer pauses briefly at that specific position before continuing, which I believe is causing this line artifact. Print Details:

• Nozzle: HF 0.4mm
• Print Profile: 0.200 SPEED settings
• Filament: Prusament PLA
• Slicer: Prusa Slicer

I've attached photos showing the issue. Has anyone encountered this problem or have suggestions for fixing it? Could it be related to a slicing setting, z-seam alignment, or something else? Thanks in advance for any help!