Learning computer jargon and cad design software became too complicated and counterproductive,
specially for this guy.
Well, in the end he realizes that mechanical design software is easy to use once you get the hang of it.
There were occasions when he wanted to murder the computer during a fit of frustration.
All in all, the mechanical design software works like a dream that fits into your version of reality.
Read the article on Try Incorporating Mechanical Design Software Into Your Inventions
Better get started before it's too late!