Hey there, let's talk about the types of files that 3D viewers use. If you're a 3D enthusiast, you probably know that 3D models can come in different file formats. The good news is that most 3D viewers support a variety of file types, making it easier for you to access and view your 3D creations. Some popular file formats that 3D viewers can handle include OBJ, STL, FBX, and 3DS. These file types are commonly used for creating and sharing 3D models, and they are widely supported by different 3D software and viewers. So whether you're working with a simple geometric shape or a complex architectural design, you can rest assured that your 3D viewer will likely be able to open and display your files. Keep in mind that the specific file formats supported by a 3D viewer may vary, so it's always a good idea to check the documentation or specifications for your particular viewer. Additionally, some advanced 3D viewers may even support more specialized file types, such as PLY or X3D. These formats are often used in specific industries or for certain types of 3D modeling, so having compatibility with these file types can be a big plus. In conclusion, 3D viewers are designed to be versatile and adaptable, and they can handle a wide range of file types to accommodate the diverse needs of 3D creators. Whether you're a hobbyist, a professional designer, or a student learning about 3D modeling, you can rely on 3D viewers to support the file formats you work with. So keep on creating and exploring the exciting world of 3D modeling, knowing that your 3D viewer has your back when it comes to file compatibility.