# Pack Structure

It is now **CRUCIAL** that you have this structure — it’s needed to support item models as Java packs do not specify what material item models are mapped to. This also means for vanilla packs that don't use plugins, item models are NOT supported by Kafal.

```
pack/
├─ assets/
│  └─ ... (vanilla/other assets)
├─ nexo/
│  └─ items/
│     └─ ... (your Nexo items)
└─ ... (other pack files)


pack/
├─ assets/
│  └─ ... (vanilla/other assets)
├─ oraxen/
│  └─ items/
│     └─ ... (your Oraxen items)
└─ ... (other pack files)


pack/
├─ assets/
│  └─ ... (vanilla/other assets)
├─ itemsadder/
│  ├─ contents/
│  │  └─ ... (ItemsAdder namespaces + assets)
│  └─ storage/
│     └─ ... (item_ids_cache.yml)
└─ ... (other pack files)

```


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