Karel Sima received a BSc (in 2014) and MSc (in 2016) in Electrical Engineering at the University of West Bohemia, in Pilsen. He is currently a PhD candidate at the University of West Bohemia, in the Department of Technology and Materials (Faculty of Electrical Engineering). His main research focus is on carbon allotrope-based sensors, printed and textile electronics, and 3D printing. Mr. Sima is the main author or co-author of approximately twenty scientific works as contributions to conferences, journals, and patens.