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How to Import OBJ into Unity with Textures

Oct 15, 2024

In Unity, importing 3D models in OBJ format along with their textures can greatly enhance the visual quality of your projects. OBJ files are commonly used for 3D model sharing and can include texture image files to provide detailed surface appearances. Here's a simple guide on how to import OBJ files and their textures into Unity:

1. Ensure that both the OBJ file and its associated texture images are located in the same folder on your computer.

2. Open Unity and create a new project or open an existing one where you'd like to import the OBJ model.

3. In the Unity Editor, navigate to the 'Assets' folder in the Project window. Right-click in the folder and select 'Import New Asset' from the context menu.

4. Browse to the folder where the OBJ and texture files are located, select the OBJ file, and click 'Import'. Unity will then import the OBJ model into your project.

5. Once the OBJ model is imported, you may notice that the textures are not displayed correctly on the model. To fix this, you need to ensure that the texture images are correctly linked to the material of the imported OBJ model.

6. To do this, locate the OBJ model in the Project window. Right-click on the model and select 'Reveal in Finder' (Mac) or 'Show in Explorer' (Windows) to open the folder containing the imported OBJ model and its associated materials.

7. In the folder, you should see the material file (with a .mtl extension) and the texture image files. Ensure that the texture files are in the same folder as the material file.

8. Back in the Unity Editor, double-click on the material file to open it in the Inspector window. In the Inspector, you should see a field for the texture image linked to the material. If the texture is not linked, click on the small circle next to the 'Albedo' or 'Diffuse' field, and select the appropriate texture image from the folder.

9. Once the texture is linked, the OBJ model should now display the textures correctly in the Scene view.

By following these steps, you can successfully import OBJ files along with their textures into Unity, allowing you to create more visually appealing 3D models for your games or interactive experiences. This can greatly enhance the realism and immersive quality of your Unity projects.

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