Step 10: Flip it over, and more fiberglass!
If you look closely you can see where the putty oozed through. At this point it is time to glass the frames in place. Which means removing the frame blocks from the frames one side at a time, applying a putty fillet, then resin, and fiberglass tape. Once dry remove the blocks from the other side of each frame to repeat the process.
You will also need to putty and fiberglass the interior of the hull panel seams at this point.
After you are finished with all of that the center pieces of each frame can be cut out with a jigsaw and the top edges sanded over.