Adding textures to an OBJ in Cinema4D can significantly enhance the visual appeal of your 3D models. To get started, open your OBJ file in Cinema4D and navigate to the Materials panel. Here, you can create new materials or import pre-made textures. Once you have selected the material, drag it onto the object in the viewport to apply the texture. Use the UV Mapping tool to adjust the placement and scale of the texture on the object. You can also adjust the color, reflectance, and other properties of the material to achieve the desired look. Once you are satisfied with the texture, you can render the object to see the final result. Adding textures to an OBJ in Cinema4D allows you to create more realistic and visually engaging 3D models. Experiment with different textures and materials to unleash your creativity and bring your designs to life.