This paper will present and describe the complete process of making printed gear transmission from polymer material using a three-dimensional printer. The calculation of the complete gear transmission, the design of all the necessary parts for the production of the gear in the selected software design tool will be displayed. General explanation will be provided about the 3D printers themselves, about the basic settings of the 3D printer and the process of printing parts of gear transmission. It will also be talked about possible problems that may arise when printing parts from polymer materials, and how to choose the most suitable material for printing depending on the required requirements of the part to be printed. At the very end, the conduct of the experiment will be presented, as well as the way in which the final performance of the transmission, is. Use and the cost-effectiveness of manufacturing the transmission using 3D printing technology from polymer materials were achieved.