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Gacha Setup for Blender

Honkai: Star Rail Rigging & Bone Collections

1. 3D Facial Expression Control Board & Isaac Face Rig

Section titled “1. 3D Facial Expression Control Board & Isaac Face Rig”

Upon importing and setting up the character, the add-on configures two main rigs: the normal body rig and the secondary Isaac Face Rig placed near the head for controlling facial expressions.

Isaac Face Rig 3D control board and character rig Normal body rig and Isaac face rig structure in Blender

Facial Control Modes

Section titled “Facial Control Modes”
  • On-Face Manual Controls: The control widgets placed directly over the eyes, brows, and mouth allow you to manipulate individual facial expressions manually.
Manual control widgets positioned directly on the character face
  • Side Preset Shapekey Sliders: The sliders located on the sides of the head are used to easily trigger and blend the character’s built-in preset facial poses.
Side sliders for triggering and blending built-in preset shape keys

2. Bone Collections

Section titled “2. Bone Collections”

Honkai: Star Rail character armatures are organized into structured groups within the Bone Collections tab (Blender 5.2+).

Armature Properties Bone Collections panel for Honkai Star Rail character

Bone Collections Overview

Section titled “Bone Collections Overview”
  • Face: Eyebrow, eye, eyelid, pupil, nose, and mouth controllers.
  • Torso (IK / FK): Spine, chest, neck, and head handles.
  • Arm.L / Arm.R (IK & FK): Left and right arm chains with individual IK target pins and pole targets.
  • Leg.L / Leg.R (IK & FK): Left and right leg chains with foot roll and knee target controls.
  • Fingers: Hand and finger bone controllers.
  • Hair: Dynamic secondary bones for hair strands and pony tails.
  • Clothes: Dynamic secondary bones for coats, skirts, capes, and tassels.
  • Lighting: Vector handles and lighting controllers.
Chibi Mascot