STEP vs IGES Explained: Comparing Modern and Legacy CAD Exchange Formats
Last Updated: 14 Sep, 2026
STEP vs IGES: Comparing Modern and Legacy CAD Exchange Formats If you have ever received a 3D model from a client or vendor only to find broken surfaces, missing fillets, or a jumble of disconnected wireframes, you already understand the quiet frustration of CAD translation errors.
In product development and precision manufacturing, neutral file formats are the universal translators bridging the gap between proprietary modeling tools—such as SolidWorks, Autodesk Inventor, CATIA, Siemens NX, and PTC Creo.