It should be quite possible to convert VRML graphics (*.vrl) tp IGES ASCII CAD (*.igs) with dedicated converters like the 3D Object Converter. Might also be possible with some CAD programs.
Convert VRML virtual world file to IGES 3D exchange format.
We found 2 software records in the database related to .vrl to .igs file format conversion.
Microsoft Windows software - convert vrl to igs on Windows
3D viewer and converter with huge file type support
Convert from vrl file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned vrl to igs. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A family of 2D/3D CAD software products for Windows