Sixty stitches along the keel.

Next, I loosely wired the bottom panels together along the keel line. The straightest edge defines the keel, and the gentler of the two end curves is the bow.With the panels wired together, I'll then turn the side panels over (sheer-clamp side down), put some spreaders across the panels, and put the bottom panels in place in preparation for wiring the bottom panels to the side panels. (Note: the picture shows them wired together a bit too tightly. I had to go back and loosen them so I could unfold them properly.)