IGS Viewer

IGS Viewer screenshots

IGS Viewer allows viewing 3D CAD models provided as IGS and IGES files
The \
IGS Viewer 2.3 : The "File" Menu

Alternative downloads

STP Viewer
2.3
FREE
Application which allows users to view 2D or 3D CAD models.
HydraCAD Object Enabler
12.4
Add-on for AutoCAD and Navisworks programs.
AutoCAD 2012 Model Documentation Object Enabler
18.2.51
FREE
The object enabler permits only displaying of drawing views.