The OBJ file format is a popular file format for 3D models, widely used in 3D modeling and 3D graphics. It was originally developed by Wavefront Technologies for its Advanced Visualizer software in the 1980s. The OBJ file format is essentially a plain text file that contains information about the geometry, materials, and textures of a 3D model. It can store vertex data, polygonal information, surface material properties, texture coordinates, and other relevant data. OBJ files are versatile and widely supported in various 3D modeling and rendering software, making them an essential part of the 3D design and visualization pipeline. Understanding the OBJ file format is crucial for 3D artists, game developers, and anyone working with 3D graphics. Its simplicity and wide compatibility have cemented its position as a standard in the industry. Whether you're creating a 3D model in a professional software like Blender or exporting it from a video game, chances are you'll encounter the OBJ file format. With its ability to store complex 3D data in an accessible text-based format, the OBJ file format continues to play a vital role in the world of 3D modeling and computer graphics.