Daughter has used Punch to design her home; Printed oiut the design (2 years in development) and had a General Contractor build the place.
I had purchased the S/W at Best Buy many moons ago. Any of the computer supply stores, OD, OM , BB, Staples that self S/W should have 3-4 different vendors.
Most are similar in concept, some will generate blueprints; others are more geared toward developing ideas that you can pass on.