Sorry about the picture quality my best camera died in Egypt on holiday.That was an expensive lesson,never leave your camera in 40deg heat as the screens can't cope .
Here is the part above welded in .i had to make some new bumps also ,that mimic the ones used at the factory to align the panels on the jig.
Next was a cross member repair.in an ideal world where money is no object I would have bought the wolf ones but I couldn't justify the cost in an area that doesn't get seen much.being a 53 they are not as complex as the later crossmembers .
I started just creating the radius on my folder ,scribing lines a few millimetres apart and bending each line a few degrees.
A good start i think.
The trapezoid shape was again with no other reference than photos .However, a cornflake packet for templates and a lot of measuring I got to this stage: