I first want to thank those of you who wrote to me and discussed what you use for design software; your help is much appreciated.
Tim Wilson from British Columbia, Canada, uses CAD. Wilson says that he learned CAD in a six-week night school class. A younger person he was mentoring learned CAD through YouTube videos. Wilson does not think the learning curve is bad for what you get. His list of benefits of using CAD is quite long: He likes that he is using the same software as engineers, developers and builders are using so everything fits together seamlessly. He
