This article examines the key aspects and technological innovations in the field of 3D printing of buildings. The main focus is on the cost-effectiveness, sustainability and scalability of this technology. The advantages and challenges faced by builders and developers when introducing this technology into everyday practice are analyzed. The research investigates different approaches in architecture while using 3D printing technology, moreover the article analyses main advantages of 3D printers in terms of ecology and sustainable development. 3D printing technology has become revolutionary in various fields, including architecture and construction. 3D printing of buildings, also known as additive construction, provides new opportunities for architects and builders by significantly reducing construction time, reducing costs and minimizing waste. This text offers a historical overview of the development of 3D building printing, highlighting the key advances and innovations that have led to modern technologies in this field. This article will be useful for researches that work with innovative architectural methods of construction.