this post was submitted on 12 Apr 2024
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When I do an overhang test, I always have this problem at about 35°. Does anyone have a suggestion what could be causing it?

  • Slicer: Orca
  • Layer height: 0.2mm
  • Infill: 0% (this has improved it a lot, I think the infill was causing bulging)
  • Outer walls: 2
  • Overhang speed: 10 or 20mm/s (both look the same)

Solution: I mistakenly thought overhang speed in Orca was based on overhang angle, it is percentage instead (which makes much more sense for different layer heights). My 10-25% overhang speed wasn't set to slow down and that must translate to about 35° at 0.2mm layer height. I now have it set to 30mm/s and it now looks great 👍 And sorry, I was wrong when I stated the overhang speed 😅

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[–] [email protected] 3 points 2 months ago (7 children)

Looks like the deformation is happening on the same layers where the overhangs of the number 35 are.

[–] UnH1ng3d 3 points 2 months ago (6 children)

It starts just underneath actually, but it still could be related 🤔 Maybe I need a test without numbers.

[–] [email protected] 4 points 2 months ago (2 children)

If 35° (or something close to it) is the slicer setting for overhang detection it likely changes the cooling/speed/flow settings. If that is the case you can set it to a lower detection value and maybe get better results or change the normal cooling/speed/flow to be closer so it isn't as drastic of a change.

[–] UnH1ng3d 1 points 2 months ago

This was it! I had my 10-25% (not degrees 😅) overhang speed set not to slow down at all. I now have it set to 30mm/s and I have a perfect result. Thank you 👍😁

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