[Sakrison]

Many aircraft kits (and others) call for the fuselage sections to be joined "bulkhead to bulkhead." Like a lot of paper modelers, I don't like that method, and I don't trust it to create smooth, good-looking joints.

I make my own joiner strips by laying the fuselage part flat on a piece of scrap card and tracing the edge with a pencil, then cutting the strip about 1/8 inch either side of the pencil mark. I attach the strip to the section with the larger diameter, insert the floor (if needed) and bulkhead, and join the fuselage sections. And I always dry-fit the parts before gluing them to ensure a good fit.

In my experience, that forms a smoother joint than bulkhead-to-bulkhead, and it reduces the number of parts that need to be laminated and cut from heavy card.