I saw some posts here recently on this topic, and managed to get some pics of the one I built recently.

Construction is 12mm marine ply frame, with a 6mm marine ply skin. All joints are glued with epoxy resin.
Over that are two layers of chopped glass mat and epoxy, plus a few coats of paint.
Windows are 4.5mm polycarbonate, the side ones being one piece.

I made it to cover the cabin hatch as extra protection, and because I didn't want a cut out for the hatch.
On the cockpit side there is a lip across the top as a hand grip which I like a lot.

The SS hand rails are great.

It's strong enough to stand on and I feel quite snug in there.







Just launched, before the handles were fitted



The flange at the front was glassed on with the frame in place.
I put sellotape across the cabin top to stop the epoxy sticking to it.