Blender is a popular 3D modeling software used by professionals and hobbyists alike. If you've created a stunning 3D model in Blender and want to share it with others or use it in another program, you'll need to save it as an OBJ file. OBJ is a widely supported file format for 3D models and can be easily imported into other software such as Unity, Maya, or 3ds Max. Here's how to save your Blender object as an OBJ file in just a few simple steps:

1. Select your object: In Blender, select the 3D model or object that you want to save as an OBJ file. You can do this by clicking on the object in the 3D viewport.

2. Export menu: Once your object is selected, navigate to the 'File' menu at the top of the screen and choose 'Export' > 'Wavefront (.obj)'. This will open the export settings for the OBJ format.

3. Set export options: In the export settings, you can choose various options such as the file name, smoothing options, and whether to include materials or textures. Make sure to name your file appropriately and select any additional options you want for the export.

4. Export the OBJ file: After setting the export options, click the 'Export OBJ' button to save your object as an OBJ file. Blender will then export the selected object as a .obj file along with an accompanying .mtl file if you chose to include materials.

5. Test the exported file: Once the export is complete, you can test the exported OBJ file by importing it into another 3D software or viewer. Ensure that the file has exported correctly and that all the details of your 3D model are preserved.

By following these simple steps, you can save your Blender object as an OBJ file and share it with others or use it in various 3D software applications. OBJ files are widely supported and can be easily imported into different programs, making them an excellent choice for sharing and collaborating on 3D models. So next time you create a stunning 3D model in Blender, don't forget to save it as an OBJ file for easy sharing and collaboration!