And for those that wonder what a more "modern" scratchbuilt plane is like, check out the Cozy Mk IV: https://en.wikipedia.org/wiki/Cozy_MK_IV. Made from fiberglass and foam cut to templates that came with a set of plans (with a handful of pre-fab parts).

A typical builder's log: http://www.cozy.simpex.com/

source: I, too, am building a plane in my garage. https://twitter.com/acozyplane