It wasn't the best way, but it got me to the point where I could make things accurately (though not efficiently)
In January, I read a quick review of this book. The author, Joe Zeh, created a program which takes parts from a SketchUp project for export to a cut list program. Even if you do not plan to export design to a cut list, the book is a good tool for learning SketchUp, or at least I think it is, IF you can be tolerant of a domineering teaching style.
http://www.amazon.com/SketchUp-Woodwork ... 06PQSC8T00
It references the 2014 version so it is mostly up to date. The author can be very frustrating because his style of teaching is "My way or the highway", but that is only in the beginning. After learning his methodology, the reader is free to explore. His first "requirement" is to read through the first few chapters WITHOUT using or looking at the software, then to go back and follow along. I did it his way and found it VERY frustrating, however, by using his way, some of my bad habits were revealed.
He has a method to his madness which frankly makes design significantly easier. There were short cuts I had not known plus by using his style, I found it MUCH easier to correct or change dimensions after the fact.
He makes every first designed piece a component, which at first made NO sense to me. Now I understand the "why". Then he explains a wise use of groups. I am not certain I have a need for his style of layers, but again he has a specific reason. I think his rationale and explanation behind "a reason for the steps" is why I liked this book.
I've changed "significantly" how I make my projects. Recently I had one project which was some garage/shop shelves of differing widths and shelf heights. After making the drawings I decided to change the thickness of the sheet stock. Using my old self taught methods, I would have just started over, since revision versus new would still have been a couple hours. By using the component and group method, I made ALL the changes in about 5 minutes!!
At $22. it is not cheap, so checking your local library first for a quick read might be a first step, but if you plan to use SketchUp for designing projects, I think you will find it a decent investment.
Be well,
Ben