Import of Third-Party CAD Files (2023 SP2) Performance of importing third-party CAD files is improved with 3D Interconnect. You can import third-party CAD files without creating 3D Interconnect links faster. Parent topicImport/Export Import System Options (2023 SP2) Exporting Large Assemblies as STEP Files Improved Display of CGR Files (2023 SP2) Installing the 3DEXPERIENCE Exchange Add-In OBJ Mesh Import Improvements