The Caudron C460 looks an interesting project at first glance, however the highly tapered wing is certain to make it a very tricky flier. It is sure to tipstall especially if not built really light. So for a first own design consider making it much wider at the tips and with some washout. It can still look fairly scale but might stand a chance of flying properly.
You would also need to be a very experienced flier of this type of model ( WW2 fighters etc ) to even consider building and developing this type of design.
This site contains details of a 1/3 scale Caudron model
http://modelairclub.ch.free.fr/?p=4-1-1-2&lang=fr#1
The following sketches show the usual extent of fus side, ply doubler and trebler. Also a suggestion for a revised wing shape for better flying but still looking fairly scale.