Architectural Walkthroughs/Flythroughs, replete with full renderings and animation is an extremely popular trend in the Real Estate Business. 3D models provide a realistic, detailed view of a building, thus allowing improved communication of the proposed design to developers, engineers, architects and clients. It works out to be very cost competitive and with simulation of the model the errors can be corrected instantly that helps save time and money in the long run.It is the easiest way to understand floor plans as well.