I started today with sanding down the edges of the sills. I'd done this on the old sills - but hadn't got around to it yet on the new ones.

And then did the offside back join...

...along with the seam

And I did the other side in the same way.

I put some more bodyfiller over the join between the two sections, and sanded it down later on - but forgot to take pictures of it.

I then did the other three corners of the sills (this time, assisted by my angle grinder - giving it a nice chamfer before doing the curve by hand).

I'd bought some "lamp steadies" that are meant to keep lamps steady in old-style cars. They've got a male/female threaded barrel, and what amounts to a one-axis bearing at each end. These I was going to use on the doors if I needed to push/pull them into alignment - however, I think I can get away without this, so I decided to use them on the front (I've got another couple as well) to push the side panel out a little.

After using some GRP and also painting them:

While I had the paint out, I also took the liberty of painting the rear of the lamp plates.

And finally removed the last of the self-adhesive cable tie holders from inside the front section.

Now the front section opens and closes very smoothly (although if you do it from the side, you still need to 'wiggle' it a bit). On one occasion, it accidentally blew shut, and cracked the gelcoat a bit - this was because I'd sanded down a bit too much in the aerolock area, so I put a couple of chopped strand matting over it, just in case it happens again.