Thought I'd throw this one up on here as it is escort related but not my mk1.
So since I have a rally pack that's needing some welding repairs in the usual locations but this one has a leaky boot caused by those boot seal top corner rust holes , I've fixed the wheel well area but there's still the left rear arch back edge, weld on the front guard once it's in position and this part I'll show that's quite a large area but straight forward .
The boot floor flat panel was/is very brittle and finding a wrecking car these days with what you need is very rare .
To start with is measure the rusty area for repairs, the boot part in fixing is 600 x 500mm or there abouts. Next is obvious to mark out and location lines so it doesn't start shuffling.

Showing how bad the boot is there's no escaping for replacing a decent part
The ribs are done with the bead roller and a die set that I had to turn down in the lathe, the same dies will do the front floor panels too . I didn't take a pic but it's a C scalloped die with a domed one to create the rib shape.
I started the measurement at 1 side and rolled the rib into it then moved to the next one etc

If I just marked up all the ribs and done them, I was sure the last one would not line up which will cause a problem. Lining them up.
This is the finished but not finished panel , it'll need some minor tweaks as usual.

Underside which shows the ribs better

Holes for the plugs will be done once it's welded in place . Thickness of the sheet is about 0.9mm which is what the original panel is, being zinc coated it will last a very long time