Process › Speed› Other layers speedoverhang_3_4_speed
Overhang speed, 50 to 75%
How fast wall lines go when they hang out between half and three quarters of their width. More of it hangs than rests on something: it has to go slowly.
Not always visible. In Bambu Studio this setting only shows up when “Slow down for overhang” is on. See Slow down for overhang.
How it works
With more than half of the bead of plastic in the air, only a thin strip holds it to the layer below. At 30 mm/s (the factory value), the fan has time to harden it before the next layer lands on top.
When to change it
- The chin of a bust or the wing of a plane, with 50–60° overhangs that come out stringy: lower it to 20 mm/s.
- The usual choice: leave it at 30 mm/s.
Typical values
| Value | What for |
|---|---|
| 20 | Tough overhangs |
| 30 | Defaultdefault |
| 50 | Faster; only with good cooling |
Watch out for
- In these ranges part cooling matters as much as speed: the filament profile already turns the fan up on overhangs (“Fan speed for overhang”).
Goes well with
What Bambu Studio saysits help card, quoted
What Bambu Studio says
Speed for line of wall which has degree of overhang between 50% and 75% line width. 0 means using original wall speed
Bambu Studio tooltip for this setting · AGPL-3.0
Read more at the official source
In your profile0.20mm Standard @BBL A1 · 30 mm/s · changes with the profile
In Bambu Studio, the profile 0.20mm Standard @BBL A1 sets it to30 mm/s
It changes with the Bambu Lab A1 factory profile:0.08mm Extra Fine10 mm/s0.08mm High Quality10 mm/s0.12mm Fine10 mm/s0.12mm High Quality10 mm/s0.16mm High Quality10 mm/s0.16mm Optimal10 mm/s0.20mm Standard30 mm/s0.20mm Strength30 mm/s0.24mm Draft30 mm/s0.28mm Extra Draft30 mm/sWhy does it change?
In other slicers
- Orca Slicer
- 50%Speed › Overhang speed
- PrusaSlicer
- No clear equivalent.
- Cura
- No clear equivalent.
Names taken from each program's code (Orca Slicer 2.4.2, PrusaSlicer 2.9.6, Cura 5.13.0). Credits