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Overhang threshold for participating cooling

Which overhangs count toward slowing down to cool layers, measured the same way: the share of the line's width with no support.

How it works

When the printer slows a short layer so it can cool, this threshold decides which overhang sections take part in that slowdown. At 100%, the whole outer wall counts, however much it overhangs.

When to change it

  • Almost never: keep the profile's value.

Typical values

ValueWhat for
100%The whole outer wall countsdefault

Watch out for

  • It's easy to confuse with the fan threshold: that one raises the air; this one decides what slows down.

Goes well with

What Bambu Studio saysits help card, quoted

What Bambu Studio says

Decide which overhang part join the cooling function to slow down the speed.Expressed as percentage which indicides how much width of the line without support from lower layer. 100% means forcing cooling for all outer wall no matter how much overhang degree

Bambu Studio tooltip for this setting · AGPL-3.0

Read more at the official source

In your profileBambu PLA Basic @BBL A1 · 100%

In Bambu Studio, the profile Bambu PLA Basic @BBL A1 sets it to100%

Using another slicer? Look for the idea, not the name: in Orca Slicer almost everything has the same name; in PrusaSlicer or Cura it may be called something else, or not exist.