FBX models are widely used in the 3D animation and modeling industry. The FBX file format was originally created by Kaydara for their Filmbox software, but is now owned by Autodesk. It has become a standard for exchanging 3D data between different software applications. FBX models can store a wide range of data, including geometry, UVs, vertex colors, textures, shading, animation, and rigging information. This makes them ideal for transferring 3D assets between different software programs. FBX models are commonly used in video game development, film and television production, architectural visualization, and product design. They can be created in various 3D modeling and animation software, such as Autodesk Maya, 3ds Max, Blender, and Unity. When working with FBX models, it's important to consider their compatibility with different software applications. While the FBX format is widely supported, there may still be some limitations or issues when transferring models between different software programs. It's also important to optimize FBX models for efficient performance in real-time applications, such as video games. This can include reducing polygon count, optimizing textures, and setting up LODs (level of detail). Additionally, FBX models can be rigged and animated, making them suitable for creating interactive 3D experiences, such as virtual reality and augmented reality applications. Overall, FBX models are a versatile and widely-used file format for 3D animation and modeling, offering a range of features and capabilities for creating and exchanging 3D assets.