02. Deformed Mesh
Purpose
When wearing layered outfits (especially outerwear), mesh overlapping issues may occur. To prevent this, a Deformed Skeletal Mesh (volume-reduced mesh) should be prepared and applied.
Why a Deformed Mesh Is Needed
inZOI allows wearing multiple clothing layers simultaneously. Examples: Top + Outerwear + Bottom
However, standard tops have volume (arms/chest/sides), and when combined with outerwear, issues may arise:
- Mesh clipping or poking through
- Masking alone cannot fully resolve it
- Unnatural or visually broken outfit results
→ For clothing that might overlap, create a reduced-volume version of the mesh and configure it to auto-switch when worn with outerwear.
When Do You Need a Deformed Mesh?
| Clothing Type | Required | Notes |
|---|---|---|
| Loose Tops (hoodies, sweatshirts) | Yes | High risk of overlap around chest/arms |
| Jumpsuits, Dresses | Yes | Covers multiple body areas |
| Wide Pants | Yes | Volume in thighs/hips may cause overlap |
| Leggings, Tight Tops | No | Tight fit → no overlap |
How to Create One (Summary)
1. Duplicate the Base Mesh
- Copy the original FBX file and use it to create a separate deformed version.
2. Reduce Volume
- Slightly reduce volume in overlap-prone areas (chest, arms, abdomen, hips).
- Keep rigging/skeleton unchanged.
- Avoid flattening too much → aim for subtle and natural reduction.
3. Keep UVs Identical
- UV1: For textures
- UV2: For masking
- UV channels must match the base mesh exactly.
File Naming Convention
There’s no strict rule in inZOI Modkit, but the following naming is generally used:
Base Mesh Name + _Jacket
| Base Mesh Name | Deformed Version Name |
|---|---|
| F_Costume_Top001 | F_Costume_Top001_Jacket |
| M_Costume_Pants001 | M_Costume_Pants001_Jacket |
If the
_Jacketversion is imported into Modkit, it will be automatically used when worn with outerwear.
Importing into Modkit
- Launch Modkit
- Click
Import Deformed Mesh - Select the FBX with
_Jacketsuffix - Choose the same skeleton as the base mesh
- Click Import
Behavior When Wearing
| Situation | Mesh Used |
|---|---|
| Worn alone | Base Mesh |
| Worn with outerwear | _Jacket Deformed Mesh (auto-applied) |
Mistake Prevention Checklist
| Check Item | Notes |
|---|---|
| Is the skeleton structure identical? | ✅ |
| Are both UV1 and UV2 included? | ✅ |
Summary
- Only prepare Deformed Meshes when overlap may occur.
- UV channels and skeleton must match the base mesh.