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Process › Others› Prime towerprime_tower_enable_framework

Prime tower internal ribs

Fills the parts of the prime tower that would otherwise be empty with a light structure, so it doesn't wobble.

Not always visible. In Bambu Studio this setting only shows up when “Enable” is on. See Enable.

How it works

The tower's depth changes with how many filament changes there are on each layer; on layers with few changes, part of the inside is left hollow. With internal ribs, that hollow is filled with a light support structure.

You get a stiffer tower in exchange for a little plastic.

When to change it

  • A tall multicolor figure, with color changes all the way up, whose tower wobbles or gets brushed by the print head: turn it on.
  • A two-color keychain, with a short tower: you don't need it.

Typical values

ValueWhat for
OffDefaultdefault
OnTall towers

Watch out for

  • It only shows up with the prime tower turned on.

Goes well with

EnableRib wallBrim width
What Bambu Studio saysits help card, quoted

What Bambu Studio says

Enable internal ribs to increase the stability of the prime tower.

Bambu Studio tooltip for this setting · AGPL-3.0

Read more at the official source

This setting on the Bambu Lab wiki
In your profile0.20mm Standard @BBL A1 · No

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

In other slicers

Orca Slicer
Internal ribsMultimaterial › Prime tower
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