Next I shaped in one of the bad corners.
![](http://i1033.photobucket.com/albums/a411/snarf1971/IMAG0251.jpg)
I mocked up a big piece for the other corner
![](http://i1033.photobucket.com/albums/a411/snarf1971/IMAG0252.jpg)
Welded it in and shaped it.
![](http://i1033.photobucket.com/albums/a411/snarf1971/IMAG0253.jpg)
![](http://i1033.photobucket.com/albums/a411/snarf1971/IMAG0254.jpg)
Cleaned up the weld a bit
![](http://i1033.photobucket.com/albums/a411/snarf1971/IMAG0255.jpg)
Almost finished, I still need to mark and drill my hole. The repairs feel quite strong. I figure some plastic texture paint or bed liner will give me the texture to blend it all in
![](http://i1033.photobucket.com/albums/a411/snarf1971/IMAG0257.jpg)