Sweet Home 3D is a CAD software Designed for construction and furniture, interior , Especially homes , offices and shops. Excellent usability of the program. On the left you can see all the available evidence , while the screen on the right is Divided in two. At the top is the map Where You drag items, while the bottom displays a comfortable three- dimensional preview , in real time. You can insert tables, set, cabinets, choose the type of floor and All That Can Be Placed in an interior space . Sweet Home 3D is totally free , in Italian , available for Windows, Mac OS X and Linux. To use the program you must install the Java plugin.