3-D modeling and computer-aided design programs save their project files in a variety of formats. OBJ is a standard format used by LightWave, Maya and many other programs to represent 3-D models. IGS is a widely used vector image format that AutoCAD, TurboCAD and other computer-aided design programs can read, save and export. Although OBJ files do not contain geometric data and cannot be converted directly to IGS, you can use a program that supports both formats to import an OBJ file and export to IGS. Writer Bio
