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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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What could cause this botched surface? (discuss.tchncs.de)

submitted 3 weeks ago by [email protected] to c/[email protected]

15 comments fedilink hide all child comments

What could cause the strange part on the right? The whole surface should be the same, it's a 90° wall, so nothing that should look like this. Can't see anything strange in OrcaSlicer. BambuLab A1 Mini with Creality PLA+

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[–] [email protected] 8 points 3 weeks ago (9 children)

Spontaneous ideas for troubleshooting:

Disable the stepper motors, slide the head to the position it would be in when printing this section, and check for any irregularities in the rail or belt.
Clean the hotend.
Try to print the part again, see if there is damage at the same section.

[–] [email protected] 6 points 3 weeks ago* (last edited 3 weeks ago) (8 children)

Started the print again because i need this part multiple times anyway. It starts to "fail" at the same corner again.

Edit: Not exactly the same damage, but at the same height. Looking at the last print, it's not just that corner, it's all around at the same height.

[–] [email protected] 3 points 3 weeks ago (1 children)

Is it that height and up or just a band?

[–] [email protected] 2 points 3 weeks ago (1 children)

Just a band. But not all the was around. It is at overhangs and a little bit after them. But not before overhangs.

[–] [email protected] 3 points 3 weeks ago* (last edited 3 weeks ago)

If it’s only overhangs then you may want to look at increasing the time between layers or increasing the part fan speed on overhangs.

This way there’s time for the layer before to solidify enough before adding more heat and melted plastic above it.

May not be it but it does have a kind of “overheated” look to it.

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