Modding:Creating Custom Hair with Hair Tool

Making custom hair for BG3 with Hair Tool

Prerequisites:

• BG3 Modder’s Multitool
• LSLib
• Blender 3.6 or 4.0
• GR2 import/export addon for Blender
• Hair Tool addon and preset library
• VSCode
• UUID addon for VSCode
• Em’s Quick Hair Template

This video covers steps 1 through 13 below.

Steps:

1. Load environment (head, body?)
2. Load Hair Tool preset, flip 180 degrees and place on the head
3. Make some edits to the preset
4. Finalize hair to turn preset into mesh
5. Load BG3 hair texture and apply to the hair
6. Manually fix the UVs by X-flipping, then scaling down to the correct size
7. Find similar vanilla hair and load it into Blender
8. Parent custom hair to vanilla armature, add armature modifier
9. Transfer auto-snapping weights from vanilla hair to custom hair
10. Rename object data name to match vanilla hair
11. Reset vertex paint to black
12. Paint blue highlights, blur out
13. Apply all transforms, export as .dae
14. Using LSLib, conform to vanilla hair, then export as .GR2
15. Hotload into game as a replacer, make any necessary changes to the mesh
16. Set up quick template for the custom hair
17. After seeing it in game, change hairpreset, scalp, and material IDs if needed
18. Done!

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