Hey there, 3D enthusiasts! So you've been working on a cool 3D model in Cinema 4D and now you want to render it as an OBJ file. Well, you're in luck because I've got the perfect guide for you. Let's dive right in! First, make sure your 3D model is all set and ready. Then, go to the 'File' menu and select 'Export'. Choose OBJ as the file format and save your file. Now, let's open up Cinema 4D. Go to the 'File' menu and select 'Merge'. Find your OBJ file and open it. Voila, your 3D model is now in Cinema 4D! Next, let's set up the scene for rendering. Go to the 'Render Settings' and adjust the settings as per your requirement. Then, go to the 'Render' menu and select 'Render to Picture Viewer'. Hit 'Render' and watch your model come to life! And that's it! You've successfully rendered your OBJ file in Cinema 4D. Happy rendering, folks!