This research highlights 3D printing is transforming the field of custom furniture design by offering new levels of personalization, efficiency, and creative freedom. This research examines how additive manufacturing enables designers to create unique, functional pieces without relying on traditional molds or mass production methods. It explores the use of various printing materials, design software, and sustainable practices that contribute to innovative outcomes. The paper also discusses the advantages and limitations of 3D printing in terms of design flexibility, cost-effectiveness, structural strength, and scalability. Through case studies and industry insights, the study highlights how this technology is reshaping the future of furniture design.