3D printers are used in various fields for designing, manufacturing, and production. They have emerged as new tools that blur the boundaries between consumers and producers. This study focuses on architectural applications of 3D printing technology and analyzes the practical characteristics of 3D printed architecture present in various countries. In this study, we examine the practical applications of 3D printing in architecture in terms of economics, morphology, and the environment. Firstly, the economic advantages of 3D printed architecture result in reductions in construction times, manpower, and overall expense. Secondly, diverse design expressions have appeared that use various geometric curves which broaden the morphological aspects. Lastly, 3D printing can increase the use of recyclable materials thus minimizing environmental waste. The advantages of 3D printing align with what architecture of the future aspires to. 3D printing is currently a technology used in many fields, however it is still developing and is expected to become increasingly useful in architecture in the future.