Hey there 3D enthusiasts! Today, I'm going to show you how to import a MTL or OBJ file into Rhino, so you can take your 3D modeling game to the next level. Let's get started! First, make sure you have Rhino 3D software installed on your computer. Then, open Rhino and go to the 'File' menu. Click on 'Import' and select 'Wavefront OBJ' from the dropdown menu. Next, navigate to the location where your OBJ file is saved, select it, and click 'Open'. Rhino will then import the OBJ file along with its corresponding MTL file, if it's in the same directory. Voila! You now have your 3D model imported into Rhino, ready for editing and rendering. With this simple process, you can seamlessly bring in 3D models from other software into Rhino and incorporate them into your design projects. So, go ahead and give it a try! Import your favorite 3D models into Rhino today and let your creativity run wild. Happy 3D modeling!