When designing floor plans for a 3 - story structure, you need to consider the flow of the building. For example, if it's an office building, the first floor may have a reception area and some open - plan workspaces. The second floor could be for management offices and meeting rooms. The third floor might be for specialized departments. Additionally, think about the exterior walls and how much natural light each floor will receive. You should also ensure that the building meets all safety and building code requirements.
To design floor plans for a 3 - story structure, start by determining the function of each floor. If it's a residential building, the first floor could have a living room, kitchen and dining area. Then, think about how people will move between floors, so plan for stairs or an elevator. For the second and third floors, bedrooms and bathrooms can be arranged. Also, make sure there's enough storage space on each floor.