Let's talk about assembling the fuse.

You have a number of options, Mike designed the fuse to be built flat on the work bench with just a straight line down the middle. Use a 72" straight edge and a sharpie. Tape the straight edge down to the workbench and run a line the length of the edge.

The picture of the fuse here show the fuse held together by tape. There is a slight inward bow between f2 and the firewall. All this can be accomplished with masking tape.

To assemble the fuse you need to install all formers the front flooring between f2 and the firewall and the landing gear block at the same time. Use CA for the balsa formers and slow setting epoxy for the firewall, the front lower flooring, the landing gear block, f2 and the tail former f9.

If using this simple method I would place weights on top of the fuse to hold everything in place while the epoxy cures. It would also be important to make sure your fuse sides are very flat. And since we are using only top quality contest wood that should be a problem.