Pic 29: Another handy gadget from the dental world. I think it was used to measure dentures, but it also makes a handy lightweight cramp to hold this strake on!
See how the mahogany planks have been cut away around the cannon ports to allow the metal frames to sit properly. It was fiddly but worth it, a little detail they don't tell you about. To stop the exposed lighter part from showing through the cannon hinge later, touch it in with brown paint.