Open the Model

  1. Start Autodesk Nastran In-CAD.
  2. From Open, navigate to the C:\Users\Public\Public Documents\Autodesk\Nastran In-CAD 2018\Tutorial\en-us\Inventor\Inventor 2018 folder and open trailer frame a.ipt.
  3. Click File, Save As and save the part as Beams Trailer Frame a.ipt. This allows you to reuse the original part.