Well, something I found in the plans for the cargo door. The right (front) lower hinge point mounting area isn't the same as the plans. The U-channel on the back side of the front door post doesn't extend all the way to the vertical, so I have to make a different style of hinge point. I don't know of anyone that has a closed structure like this and the top of the same area shows a shape similar to the one at the bottom. So, I had to come up with my own design...simple enough.