I did the laid-up plywood method just as in the last build.
Every-clamp-in-the-shop photo.
After fiberglass, and a fill coat. I actually considered skipping this step, but I figured that it adds a lot of strength, so I went ahead with it. I trimmed the width of the rim for a tight fit of the spray skirt. First attempt at painting was a bust, don't really know why, but got it right the second time.
Hatch coamings, by the usual method. I decided not to paint the recess this time.