Unity Integration
Updated May 2026
Recommended Format
- FBX - best material support, works natively with Unity
- GLB - works with the UnityGLTF or GLTFast package
FBX is the smoother path for most projects.
Import Steps
- Download your model as FBX from 3D AI Studio
- Drag the .fbx file into your Unity Assets folder (or a subfolder)
- Unity auto-imports the model and creates a prefab
That’s it. The model is ready to drag into your scene.
Material Setup
FBX
Unity’s Standard or URP shader picks up albedo, normal, and roughness textures automatically from FBX files. Check the Materials tab in the import settings if textures look wrong.
GLB
Unity does not support GLB natively. Install one of these packages:
- GLTFast (recommended) - available via Package Manager
- UnityGLTF - open source, more features
After installing, drag .glb files into Assets like any other model.
Rigged Models
If you used the Rigging tool in 3D AI Studio:
- Import the FBX file
- Select the model in the Project panel
- Go to the Rig tab in the Inspector
- Set Animation Type to Humanoid (for characters) or Generic
- Click Apply
You can now apply Mixamo animations or your own animation clips to the model.
Common Workflows
- Game props and environments - import static FBX, add colliders, place in scene
- Character models - import rigged FBX, set up Humanoid rig, attach Animator
- Product visualization - import high-detail model, set up camera and lighting
Performance Tips
- Use the Remesh tool to reduce poly count before import - saves on draw calls and memory
- Set up LOD Groups for models that appear at varying distances
- Enable mesh compression in import settings for smaller build size
- For mobile games, keep models under 10k triangles
Useful Links
- Remesh tool - reduce polygon count
- Export Formats - format comparison
- Rigging tool - auto-rig characters before export
Don’t have a model yet? Generate one with Image to 3D or Text to 3D and import it into Unity in minutes.
Frequently Asked Questions
How do I import an AI-generated 3D model into Unity?
Download your model as FBX from 3D AI Studio, then drag the .fbx file into your Unity Assets folder. Unity auto-imports the mesh and creates a prefab you can place in any scene. Materials and textures come through automatically with FBX.
What is the best file format for Unity from 3D AI Studio?
FBX is the recommended format because Unity handles FBX natively with full support for materials, rigging, and animations. 3D AI Studio exports FBX files that Unity’s Standard, URP, and HDRP shaders all recognize. GLB also works but requires installing a free package like GLTFast.
Can I use AI-generated models in a Unity mobile game?
Yes, but you should optimize them first. Use the Remesh tool in 3D AI Studio to reduce the polygon count to under 10k triangles before downloading. In Unity, enable mesh compression in import settings and set up LOD Groups for models visible at varying distances. This keeps frame rates smooth on phones and tablets.
How do I set up a rigged AI character in Unity?
Import the rigged FBX file from 3D AI Studio, select it in the Project panel, and set Animation Type to Humanoid in the Rig tab. Click Apply, and Unity maps the bones to its Humanoid rig automatically. You can then apply Mixamo animations or your own clips through an Animator Controller.
Do AI-generated models work with Unity’s Universal Render Pipeline (URP)?
Yes. FBX materials from 3D AI Studio import with albedo, normal, and roughness textures that Unity’s URP Lit shader picks up automatically. If the material looks incorrect, check the Materials tab in import settings and make sure “Use Embedded Materials” is selected. You can also manually reassign textures to URP shader slots.
How many polygons should an AI model have for a Unity game?
It depends on your platform. For mobile, aim for 5k-10k triangles per model. For PC and console, 50k-100k triangles is fine for hero assets. 3D AI Studio’s Remesh tool lets you set an exact target polygon count before export, so you can dial in the right level for your project.