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Muscle limits ​

Joint-range clamping and per-avatar pose offsets. Only applies in Muscle transfer mode; switching to Offset (see Smoothing) greys out this section and the muscle editor panel.

Settings ​

  • Adjust muscles opens the muscle range editor side panel (documented below). Closes the collider editor if open.
  • Enable keeps each joint inside its allowed range. Applied after transfer and after arm correction. (default on)
  • Tightness scales all muscle ranges around their centers. 1 uses configured ranges as-is; 0 freezes every joint at center. (default 1, range 0 to 1)
  • Forearm twist share moves part of the hand's twist rotation onto the forearm while preserving the hand's world rotation. (default 0.35, range 0 to 1)

(media pending)

Retarget offsets ​

Small constant offsets applied to the retargeted pose, mirrored left/right. Use these to calibrate posture per avatar. All default 0, range -60 to +60 degrees.

  • Upper-arm spread how far arms sit from the torso.
  • Forearm preroll twists the forearm around its long axis.
  • Upper-arm twist twists the upper arm around its long axis; this is what reads as elbow spread.
  • Upper-leg spread how far apart the legs sit.
  • Shoulder height shoulder height offset.
  • Shoulder shift shoulder position sideways.

TIP

Retarget offsets fix a consistent posture mismatch on one avatar (e.g. rest pose arms too close to the body). Save the result to that avatar's map.

(media pending)

  • fingerDirectCopy copies finger rotations directly from the actor, bypassing the muscle pipeline. (default on)

Muscle limits (editor side panel) ​

Click Adjust muscles to open. Mutually exclusive with the collider editor panel. Disabled when Transfer mode is Offset. Per-muscle rows require a loaded avatar.

  • Tightness same value as the main section's slider; both controls edit one shared value. (default 1, range 0 to 1)
  • Arms multiplier for arm and finger muscles. (default 1, range 0 to 1)
  • Legs multiplier for leg muscles. (default 1, range 0 to 1)
  • Torso multiplier for torso, neck, head, eye, and jaw muscles. (default 1, range 0 to 1)

Individual muscles are grouped under Arms, Legs, Torso, and Fingers. Each is labeled with the raw Unity muscle name (English only) and has a Min / Max pair (range -1 to 1) defining its allowed range before Tightness and group multipliers scale it.

WARNING

Dragging Max below Min (or vice versa) auto-swaps them so Min never exceeds Max.

(media pending)

INFO

Muscle limits, collider edits, and correction tuning are per-avatar and saved into the map file. See Loading your model.