>...which you say is tricky and, sure enough, I am unable to accomplish that
I might just have to do it the wrong way just to show the class how to recover without a string of errors.
Edit Feature the Loft.
Click on one of the rails listed in the dialog box.
Hold down the CTRL key and click on the same rail in the graphics window.
Click another of the rails in the dialog box, hold CTRL and click on the same rail in the graphics window.
Repeat
Repeat
Now click the Top rail
then the bottom rail
then the two side rails in any order.
Let me know if these instructions get it done. If not, I need to document the steps in more detail for my lab.
I forgot to mention that it might look like nothing happens at first - but just follow the procedure, don't click a second time if it looks like nothing happened.
-----------------------------------------------------------------------------------------
Autodesk Inventor 2019 Certified Professional
Autodesk AutoCAD 2013 Certified Professional
Certified SolidWorks Professional