The OBJ file format is a popular file format used in 3D modeling. It was originally developed by Wavefront Technologies and has since become a widely supported format for storing 3D geometry data. OBJ files can contain information about 3D models, including their vertices, faces, texture coordinates, and material properties. This makes it a versatile format for exchanging 3D models between different software applications. One key feature of OBJ files is their readability and editability, as they are stored in plain text format. This makes it easy for designers and artists to modify the content of the file using a text editor if needed. OBJ files are commonly used in various industries, including video games, architectural visualization, and animation. They are also compatible with many popular 3D modeling and rendering software, making them a preferred choice for sharing 3D models across different platforms. In conclusion, the OBJ file format is an essential part of the 3D modeling industry, providing a flexible and widely supported way to store and exchange 3D geometry data.