The triangle stock is an easy way to make a rounded fuse. Stringers bring a high level of difficulty that we may be able to avoid. I will certainly keep it in mind though.
TOOLS? Man, all I use is an Exacto knife and a sanding block! That's a lie, my razor plane is indispensable.
Keepiru, close, here's a look at a Cessna 150. While I'm not going to try to make it scale, this is the inspiration.