Hey everyone, today I'm going to show you how to save OBJ files as STL files, so you can use them for 3D printing or 3D modeling. Let's get started!

Step 1: Open your 3D modeling software, such as Blender or Maya, and import the OBJ file that you want to convert to an STL file.

Step 2: Once the OBJ file is imported, make sure it is properly positioned and oriented in the 3D space.

Step 3: Now, navigate to the 'File' menu and look for the 'Export' option. Select 'STL' as the file format for export.

Step 4: Choose a location on your computer to save the STL file, and give it a descriptive name so you can easily identify it later.

Step 5: Click 'Export' to save the OBJ file as an STL file. Depending on the complexity of the 3D model, this process may take a few seconds to a few minutes.

And that's it! You've successfully saved your OBJ file as an STL file. Now you can use this STL file for 3D printing or further 3D modeling projects.

I hope this tutorial was helpful for you. If you have any questions or need further assistance, feel free to leave a comment below. Happy 3D modeling and printing!