The aim of the thesis is to help people visualize architectural designs more effectively. By using their smartphone cameras, users can superimpose digital information in a real-world environment. The study explores whether Augmented Reality (AR) can be practical in the field of building design, showcasing benefits such as saving costs and making the implementation process simpler. This research is noteworthy for its originality, as it focuses on the unexplored potential of AR in this particular area. The results emphasize how AR has the ability to make blueprint visualization more lifelike and dynamic, thereby enhancing the overall user experience.