Hello all, I am having trouble joining or mitering a corner that has been hemmed and also bent. Using another one of my other sheet metal programs I am able to click two flanges and easily miter the corners together but SW has been a bit more challenging.

Here is what my product looks like:

Here is the corner that I am trying to miter to a 45 degree angle. As you can see, the flanges have been hemmed facing the inside of the part.

Side View:

I have attached the file if that is easier for you.

Thanks for any help!