Are you looking to save your 3D models from Blender in the popular OBJ file format? Whether you're sharing your creations with others or need compatibility with other 3D software, saving your Blender file as an OBJ can be a handy trick to have up your sleeve.

To save a Blender file as an OBJ, follow these simple steps:

1. Start by opening your Blender project and making sure your 3D model is ready for export.

2. Navigate to the 'File' menu and select 'Export' > 'Wavefront (.obj)'.

3. In the export settings, you can adjust various options such as scale and orientation. Make sure to set these according to your preferences and the requirements of the software you'll be importing the OBJ file into.

4. Choose a location on your computer to save the OBJ file and give it a descriptive name.

5. Click 'Export OBJ' to save your 3D model in the OBJ file format.

Once you've saved your Blender file as an OBJ, you can easily share it with others or import it into other 3D software for further editing or rendering.

It's important to note that when exporting to OBJ format, Blender will also generate a companion .mtl file, which contains material information for the 3D model. Make sure to keep both the OBJ and .mtl files together if you plan on sharing or using the model in another software.

By saving your Blender file as an OBJ, you can ensure compatibility with a wide range of 3D software and make it easier for others to view and work with your 3D models.

In addition to OBJ, Blender also supports other popular file formats for exporting, including FBX and STL. Each format has its own advantages and use cases, so it's worth exploring the different options to find the best fit for your needs.

So the next time you need to share or collaborate on 3D models created in Blender, remember these simple steps to save your file as an OBJ. It's a small but valuable skill to have in your 3D modeling toolkit!