3D CAD files containing all exterior surfaces for standard rack mount configuration for MSO58LP and MSO58LPGSA. Single .ZIP archive that contains the following 3D CAD file formats: STEP tektronix_mso58lp_shell.stp IGES tektronix_mso58lp_shell.igs These are universal 3D CAD file formats that can be opened using a number of applications, including but not limited to: Solidworks, CATIA, Autodesk Inventor or Fusion 360 or 123D, PTC Pro/Engineer or Creo, Onshape, FreeCAD, 3D Systems Cubify Design, etc.