I am Looking for a cad for Los angles Rp. For free

Hello, I am a co owner of Los Angles Rp. We are looking for a cad system that is good and works but, I need to get it for free. If you can make me a cad for my Rp community for free that will make my day and years. . You can contact me by disc: King Candy#1609 or Email: [email protected]. If you take that job then, Contact me for Description and stuff to add. Thanks have a great day.