Bone Roll

In Edit Mode, you can control the bone roll (i.e. the rotation around the Y axis of the bone).

However, after editing the armature, or when using Euler rotation, you may want to set the bone roll.

Recalculate Bone Roll

Reference

Mode

Edit Mode

Menu

Armature ‣ Bone Roll ‣ Recalculate

Hotkey

Ctrl-N

Axis Orientation

• Local Tangent

  Align roll relative to the axis defined by the bone and its parent.

  X, Z

  Global Axis

  Align roll to global X, Y, Z axis.

  X, Y, Z

  Active Bone

  Follow the rotation of the active bone.

  View Axis

  Set the roll to align with the viewport.

  Cursor

  Set the roll towards the 3D cursor.

Flip Axis

Reverse the axis direction.

Shortest Rotation

Avoids rolling the bone over 90 degrees from its current value.

Set Bone Roll

Reference

Mode

Edit Mode

Menu

Armature ‣ Bone Roll ‣ Set

Hotkey

Ctrl-R

This is a transform mode where you can edit the roll of all selected bones.