Are you struggling with large OBJ file sizes in Maya? Optimizing and reducing the file size of your models can greatly improve performance and efficiency. Here are some tips to help you reduce OBJ file size in Maya.

1. Use Simplified Geometry: Consider simplifying the geometry of your models by reducing the number of polygons. You can use the Quad Draw tool to manually optimize the topology of your model or use the Reduce tool to automatically reduce the polygon count.

2. Clean Up Unused Nodes: Maya files can accumulate unused nodes and data over time, leading to bloated file sizes. Use the Clean Up feature in Maya to remove any unused nodes, materials, or textures from your scene.

3. Merge and Combine Objects: If your scene includes multiple objects, consider merging and combining them to reduce the overall file size. This can be particularly helpful if you have duplicate or overlapping geometry.

4. Use Procedural Textures: Instead of using high-resolution image textures, consider using procedural textures or tiling textures to achieve the same visual quality with a smaller file size.

5. Optimize UV Mapping: Efficient UV mapping can reduce the size of texture files and improve rendering performance. Use Maya's UV Editor to optimize the UV layout and reduce unnecessary seams and overlaps.

6. Remove Hidden Geometry: If your model includes hidden or non-visible geometry, make sure to delete or hide it to reduce the file size. You can use Maya's Display Layers or Visibility settings to manage hidden geometry.

7. Export as Binary OBJ: When exporting your model as an OBJ file, consider using the binary format instead of the ASCII format. Binary OBJ files tend to have smaller file sizes and can be loaded faster.

8. Compress Textures: If your model relies on image textures, consider compressing them using file formats like JPEG or PNG to reduce their file size. However, be mindful of potential loss of quality with heavy compression.

By implementing these techniques, you can significantly reduce the file size of your OBJ models in Maya without compromising their visual quality. This can lead to improved performance, faster loading times, and more efficient file management. Take the time to optimize your models and see the difference it makes in your 3D workflow.