What do you understand by IGS file format?
IGS files are mostly commonly associated with 2D & 3D vector graphic images. This file format is based on the IGES (Initial Graphic Exchange Specification). It is mostly used by a variety of CAD (computer aided design) applications. IGS is the standard file format for exporting 3D model files between different CAD programs. These type of a file is a CAD file type that contains two or three dimensional vector graphics which are typically stored in plain text ASCII format. In this file contain models, design and several types of objects. This file format defines a vendor neutral data formats that allows the digital exchange of info among Computer-Aided Design(CAD) systems.