nWhy did you use IGES? Do you have lines and curves or only solid bodies?nIf you have only solid bodies in SW, do a File, Save As Parasolid from SW.nOpen WB and drag and drop a Static Structural.nOpen DesignModeler from the Geometry cell.nIn DesignModeler, File, Import External Geometry File and select the Parasolid file.nDon't save anything in DM, just close the DM window.nOpen Mechanical, the geometry will attach.n