Howdy, y'all -
In the whitearmor main portal armor tutorials, there are some fantastic diagrams and explanations about the differences between overlapping and butt-joining the armor, and that usually the make of the armor will tell you which is easier to do. (For example, AM/FX armor has overlapping joints.)
However, I noticed that many troopers (including the incredibly helpful pandatrooper) who are building AM armor prefer to go with a more screen-accurate butt-joining and top it off