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Process › Quality› Ironingironing_spacing

Ironing line spacing

The distance between one pass and the next while the nozzle irons. Closer lines mean each spot gets ironed several times and comes out smoother, but it takes longer.

Not always visible. In Bambu Studio this setting only shows up when “Ironing Type” is not “No ironing”. See Ironing Type.

How it works

Ironing lines are much closer together than normal ones: 0.15 mm with a 0.4 mm nozzle. That way the flat tip of the nozzle, which is about 1 mm across, passes over each area several times.

If you space the lines wider than the nozzle, you get stripes that weren't ironed.

When to change it

  • A box lid that still shows stripes after ironing: lower it to 0.1 mm.
  • A large sign that takes too long and already looks good enough: raise it to 0.2 or 0.25 mm.

Typical values

ValueWhat for
0.1Very fine; slower
0.15Defaultdefault
0.25Faster
0.5Visible stripes

Watch out for

  • Changing the spacing changes how much plastic lands on each area: if you bring the lines much closer, lower “Ironing flow” a little.

Goes well with

What Bambu Studio saysits help card, quoted

What Bambu Studio says

The distance between the lines of ironing

Bambu Studio tooltip for this setting · AGPL-3.0

Read more at the official source

In your profile0.20mm Standard @BBL A1 · 0.15 mm

In Bambu Studio, the profile 0.20mm Standard @BBL A1 sets it to0.15 mm

In other slicers

Orca Slicer
Ironing line spacingQuality › Ironing
PrusaSlicer
Spacing between ironing passesInfill › Ironing
Cura
Ironing Line SpacingTop/Bottom

Names taken from each program's code (Orca Slicer 2.4.2, PrusaSlicer 2.9.6, Cura 5.13.0). Credits