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Process › Support› Tree Supporttree_support_branch_distance

Tree branch distance

How many millimeters apart the tree support places its contact points under an overhang (a part of the model in the air). Closer together, the underside comes out better, but there are more branches to remove.

Not always visible. In Bambu Studio this setting only shows up when “Enable support” is on and “Type” is “tree(auto)” or “tree(manual)”. See Enable support, Type.

How it works

The tree doesn't hold up the whole overhang: it spreads contact points (the branch tips) across its underside, and the branches come down from there. This setting is the distance between those points.

With points every 2 mm, the face rests almost as if on a solid sheet; with points every 8 mm, the overhang sags between supports and the face comes out wavy.

When to change it

  • For almost anything: 5 mm, the default.
  • The brim of a hat on a figure comes out wavy between contact points, and it shows: 2–3 mm.
  • A decorative dragon where all that matters is that the arms don't fall: 6–8 mm.

Typical values

ValueWhat for
5 mmDefaultdefault
2–3 mmBetter underside
6–8 mmFewer branches

Watch out for

  • It only exists for tree supports.
  • With large flat overhangs, the “Tree Hybrid” style uses normal columns and this setting matters less.

Goes well with

What Bambu Studio saysits help card, quoted

What Bambu Studio says

This setting determines the distance between neighboring tree support nodes.

Bambu Studio tooltip for this setting · AGPL-3.0

Read more at the official source

In your profile0.20mm Standard @BBL A1 · 5 mm

In Bambu Studio, the profile 0.20mm Standard @BBL A1 sets it to5 mm

In other slicers

Orca Slicer
Tree support branch distanceSupport › Tree supportsWith the organic style, Orca uses another setting with the same name (tree_support_branch_distance_organic).
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