To make the import and export of IGES and STEP files easier for Alias to read

1. In Pro/ENGINEER, select Utilities > Options
2. Add the following data to the configuration file.

   IGES_OUT_ALL_SRFS_AS 128

   IGES_OUT_SPL_CRVS_AS_126 YES

   IGES_OUT_SPL_SRFS_AS_128 YES

   IGES_OUT_MIL_D_28000 NO

   IGES_OUT_TRM_SRFS_AS_143 NO

   IGES_OUT_TRIM_CURVE_DEVIATION DEFAULT

   INTF_OUT_BLANKED_ENTITIES NO

   INTF3D_OUT_EXTEND_SURFACE YES

   INTF3D_OUT_FORCE_SURF_NORMALS YES

   IGES_IN_106_F2_AS_SPLINE NO

   IGES_IN_DWG_LINE_FONT YES

   IGES_IN_DWG_PNT_ENT YES

   IGES_IN_DWG_COLOR YES 

   FIX_BOUNDARIES_ON_IMPORT YES