Used the handy-dandy line-marking jig I printed up last time - worked a treat to get quick lines on the bendy J-channels. Honestly spent a good amount of time just removing the blue vinyl from one side of the J-channels and the tailcone bottom skin. While moving pieces around I did manage to drop my 1-2-3 block on the bottom skin, so I have a lovely little dent to pound out a bit later (circled in blue to find later).
Even with the jig, it still took a little while to mark everything up, but got everything all marked up and then spent a bit of time making a couple of wooden ‘hoops' to serve as the sawhorse asked for in the manual (for now, I'll be working on the tailcone suspended above my workbench as most work is on the lower side of the tailcone while it's inverted).