If you've been working on a stunning 3D model in Blender and want to share it or use it in other software, you'll need to save it as an OBJ file. Here's a simple tutorial to help you export your Blender file as an OBJ:

1. Open your Blender project with the 3D model you want to export.

2. Make sure the model is selected and positioned the way you want it to appear in the OBJ file.

3. Go to the 'File' menu in Blender and select 'Export' > 'Wavefront (.obj)'.

4. In the export settings, you can adjust the scale, forward, and up axis to match the requirements of the software you'll be using the OBJ file in. Keep in mind that some software may have specific axis requirements, so it's important to set these correctly.

5. Choose a location and file name for your OBJ file, then click 'Export OBJ'.

6. Your 3D model will now be saved as an OBJ file, ready to be shared or used in other software.

By following these steps, you can easily save your 3D models created in Blender as OBJ files. This format is widely supported by 3D software and is commonly used for sharing 3D models. Whether you want to showcase your work to others or continue working on it in a different software, saving your Blender files as OBJ will allow you to do so seamlessly.