At that scale, doing the wires of the rigging, landing gear and control cables seems superfluous as they wouldn't be visible, but there's something missing without them, I just added a couple cables to my experimental Fokker Dr I (experimental because I learn modelling techniques on it the hard way, by now it has more glue on it that paint!
and it looks much better.
Thread is out of course, conventional wisdom is to use stretched sprue, but I don't know if it's just me that I'm ham fisted or that the plastic I'm using is really bad. 9 out o 10 times the plastic simply breaks, and when I get some wire, it's decidedly non uniform, too thick, too thin and with an annoying tendency to curl, when it works and it can be put in place it looks great because it keeps taut like real wire.
for lack of a better solution I'm using copper thread from old electric cable. It's reasonable easy to work with, and is thin enough for the scale, trouble is that it bends easily, it's difficult to get it straight without bending midway, but it's better than nothing.
Looks like the only way of attaching wires to the model is drilling a lot of holes (ouch!
running the thread through them to attach them, and then fill the holes with glue and or filler. And contrary to a real aircraft, wiring should be installed before assembly.
Any thoughts?