Professional 3D IGS Viewer for Linux to import and read *.igs file format. 3D IGS Viewer can print and convert IGES to DWG and other formats.
IGS Viewer allows converting IGS to DWG, IGS to STL, IGS to OBJ and to other file formats.
IGS Viewer for Linux – CST CAD Navigator
IGES - The Initial Graphics Exchange Specification defines a neutral data format that allows the digital exchange of information among Computer-aided design (CAD) systems.
