The goals of the project are design, manufacturing and experimental verification of possibilities of additive manufacturing (3D printing, primarily from metals) as an economic and technologically progressive production procedure for expanders (microturbines) for low power applications. This project will stimulate cooperation between energy and industrial technology engineering in academic environment together with a commercial partner specializing in advanced modern technology - 3D printing of metal. Main result of the project is expected to be a sample expander unit. Considering the National research priorities, the 3D print as general purpose technology (GPT) will provide innovative product with novel features (technological and economic), which is useful for number of energy goals.