Have you tried using CAD software to design parts for your project car? Are you interested in designing lighter, stronger, and better-fitting custom parts for your exact application? Do you want to take your ideas — and that could be anything from a simple bracket, to an intake manifold, to a roll cage — from the planning stage all the way through to having your part ready for manufacture? You could find some CAD software, open it and start playing around. But, this trial and error method could