Click on thumbnails for the bigger picture...
Bottom of B-post with inner sill removed
Bottom of A-post with both sills removed
80mm strip of 1mm steel gilbowed off sheet...
...first fold - easy
Second fold - tricky. Square section is welded to rear angle.
Finished sill - drilled and pressed for seatbelt mount
Front jacking point/outer sill extension
Front jacking point - still need to creat box section to hold original jacking 'pocket'.