3D courses can help you learn modeling, animation, texturing, and rendering techniques. You can build skills in creating realistic environments, character design, and visual effects for various media. Many courses introduce tools like Blender, Autodesk Maya, and Unity, that support bringing your 3D creations to life and integrating them into games or films. You'll also explore concepts such as lighting, physics simulations, and rigging, allowing you to produce dynamic and engaging visual content.