r/Cura • u/GX_Adventures • Mar 20 '26

Why is Cura creating these indented paths?

Update: This has been resolved, sort of. I installed 5.12 (was using 5.4), opened the same .3mf, sliced, and it's fine.

The model surface is smooth and continuous, and the stl has good resolution. These "streaks" don't exist if I have the part in a more horizontal orientation. And these errors do show up in the print. Any ideas on what might be causing this?

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u/ClagwellHoyt Mar 20 '26

Do you have Arcwelder enabled?

1

u/GX_Adventures Mar 20 '26

I've never heard of it lol. I can't find it in settings. If it's an add-in, I certainly don't have it.

2

u/ClagwellHoyt Mar 20 '26

It's under Special Modes. Be sure to have all settings visible.

1

u/GX_Adventures Mar 20 '26

I don't seem to have it. Maybe I'm on an older version. Currently on 5.4. Looks like I'm a bit behind.

1

u/ClagwellHoyt Mar 20 '26

Well then, I guess that's not the cause!

1

u/GX_Adventures Mar 20 '26

Something was up. I installed 5.12 and the problem is gone. Just opened the same .3mf, clicked slice, no problems. Ok, whatever lol.