In Fusion 360, exporting your 3D designs to OBJ format is a simple process that allows you to use your models in other 3D applications or prepare them for 3D printing. Here's how to do it:

1. Open your 3D design in Fusion 360 and make sure it's ready for export. You can make any necessary adjustments to the design before proceeding.

2. Once your design is ready, go to the File menu and select 'Export'. This will open the Export dialog box.

3. In the Export dialog box, choose 'OBJ' as the file format. You can also specify the location where you want to save the OBJ file.

4. Click 'OK' to export your design to OBJ format. Fusion 360 will create an OBJ file that contains your 3D model and any associated materials.

5. You can now use the exported OBJ file in other 3D applications or 3D printing software. Simply import the OBJ file into the desired program and it will be ready for use.

Exporting to OBJ format in Fusion 360 is a convenient way to make your 3D designs more versatile and compatible with a wide range of 3D tools and platforms.

If you have any questions about exporting to OBJ in Fusion 360 or any other 3D modeling tasks, feel free to leave a comment below and I'll be happy to help. Don't forget to like and subscribe for more Fusion 360 tutorials and tips. Thanks for watching!