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Process › Quality› Seamseam_placement_away_from_overhangs

Seam away from overhangs

When the corner chosen for the seam ends up hanging in the air, it moves the seam to a supported stretch. Fewer bumps and fewer loops that start over nothing.

Not always visible. In Bambu Studio this setting only shows up when “Seam position” is “Aligned” or “Back”. See Seam position.

How it works

With the seam on “Aligned” or “Back”, the slicer picks a corner and repeats it layer after layer. If on some layers that corner is an overhang (it sticks out with nothing underneath), the loop starts in mid-air: the plastic doesn't grab, the seam bulges and sometimes the line comes loose.

With this option, on those layers the seam moves to a point on the loop that does have support. The seam line is no longer perfectly vertical, but the overhang comes out better.

When to change it

  • A figure with a chin, a visor or a wing sticking out right where the seam falls: turn it on.
  • A box or a cup with straight walls: nothing changes; leave it off.

Typical values

ValueWhat for
NoDefault; the seam doesn't movedefault
YesMoves away from overhanging stretches

Watch out for

  • It only works with “Aligned” and “Back”; with “Random” or “Nearest” the option doesn't even show up.
  • It's marked as experimental: the seam line may make a visible jump where it changes place.

Goes well with

What Bambu Studio saysits help card, quoted

What Bambu Studio says

Ensure seam placement away from overhangs for alignment and backing modes.

Bambu Studio tooltip for this setting · AGPL-3.0

Read more at the official source

In your profile0.20mm Standard @BBL A1 · No

In Bambu Studio, the profile 0.20mm Standard @BBL A1 sets it toNo

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.