I had made some half-hearted attempts to start toward "wood working" last year, but nothing came of it. The main hang-up was some time before my half-start I had heard about this great system of modular design, and that was really all I was interesting in learning about when I set my goal to have "intermediate skill" in woodworking -- I wanted to be able to build bookshelves and work benches and the like. However, I had lost the name of the system and could not find relocate where I had read about it in spite of several attempts.
Well, I finally stumbled upon the term, and I think I may never be looking back.
It is called Grid Beam. I am going to make a winter Solstice gift for myself out of the book How to Build With Grid Beam. With that I should be able to gumption-up to get my projects started, including, I think, a windmill.
There's an old video which gives some context for the process, and there are just so many thought-and-emotion provoking images of what is possible to made 3-D lived spaces.
Bonus
Jacob at Early Retirement Extreme on bootstrapping tools. This is something I am very interested in as I keep moving to be a resilient Renaissance Man, but it is for more motivating to build some *big* stuff first. And so that's where I will start.