I have been using a trial version for over two years. Good thing it is intuitive, because some of the menu items and instructions are in Italian, or poorly translated English. Very flexible.
Current program is now found at flashcad.net

While reviewing spects at Digitarch Web page, which seemed impressive enough. decided to give program CAD a try. Even
though all info filled in on application.
download led to a password exe program before downloading could commence.
Attempts to contact proved futile