> For the complete documentation index, see [llms.txt](https://upland-3d.gitbook.io/upland-3d/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://upland-3d.gitbook.io/upland-3d/go-karts/lod1.md).

# LOD1

## Specifications

* File type: GLTF
* File size: < 700kb
* Triangles limit 5,000 max

<figure><img src="https://1769794590-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDHWwPrTAwLL81PbfiBvW%2Fuploads%2FxqsLWhYTsZjLKTJhRwfh%2Fimage%20240.png?alt=media&amp;token=1ebe39b6-baf0-4dd3-b187-8593d4ff2db8" alt=""><figcaption></figcaption></figure>

### Hierarchy

LOD 1 Hierarchy's structure will remain the same as LOD\_0. the only element that changes are number extension at the end of the shown tags below

<figure><img src="https://1769794590-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDHWwPrTAwLL81PbfiBvW%2Fuploads%2FGmIyXv6MzBmH6EzOGEJi%2Fimage%20ddd.png?alt=media&amp;token=51a0809c-c524-4d07-8601-f2781c816c67" alt="" width="260"><figcaption></figcaption></figure>

* Keep the empty objects in the same position as LOD\_0

### Materials

* Principled Shader
* Metallic == 0.0
* Roughness == 1.0
* Images texture should be 512x512 for chasis\_LOD\_1
* Images texture should be 256x256 for LOD\_wheel (do not modify)

### Deliverable files for LOD\_0

* GLTF file request

When exporting the GLTF be sure to pick the following values:

<figure><img src="https://1769794590-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDHWwPrTAwLL81PbfiBvW%2Fuploads%2F4obMPhhvbrcm0rNf0WPI%2Fimage%20210.png?alt=media&amp;token=88d33bbc-254a-4643-9100-11c1bff7f158" alt="" width="375"><figcaption></figcaption></figure>

* Do not include the Chasis\_0 texture. Share it as a separate JPG file&#x20;
* Include only wheels texture