AutoInvent System was designed as an unmanned aerial vehicle (UAV) system that enables the automation of volume measurements and three-dimensional terrain modeling. The measurement head can be easily swapped with an observation head extending the functionality of the system to monitoring and protection of critical infrastructure. The AutoInvent System is the result of a project implemented as a part of the research program organized by the National Center for Research and Development in Poland – INNOSBZ and co-financed by European Union from European Regional Development Fund within the Smart Growth operational Programme 2014-2020.