Blender Add-on Export To IGES
Hi, is available a new add-on to export IGES directly from Subdivision surfaces from Blender the add-on is in early stage of development and is available for Windows 10 and Linux.
Export IGES Addon for Blender creates the subdivision limit surfaces and saves it as IGES file.
For more info digital-sculptors.com/cms/index.php/software/blender-plugins/63-export-iges.html
My test with the add-on from Blender SubD