Is Auto-Cad a good software to learn if I am the type of person who love to invent?

Inquisit asked: I’m thinking about learning to use the program AutoCad. It’s looks somewhat difficult to learn, the book for beginner is about 1,500 pages. I haven’t even counted the workbook and references. Anyhow, it will be learned if AutoCad is proved useful.
To all of the AutoCad users out there, do you think it’s a [...]

Help with an auto cad software (alibre)?

Chazz asked: Im working on my eagle rank and am building a trail. I need to draw up this trail some how in 3-D. I’m using alibre design and was wondering first of all is this what i should be using and second, how do i use this or any auto cad software? iwould [...]