PT Journal AU SOSNA, T VOCHOZKA, V TI SELECTED 3D MODELS SUITABLE FOR TECHNICAL SPARE-TIME ACTIVITIES SO Journal of Technology and Information Education PY 2022 BP 164 EP 174 VL 13 IS 2 DI 10.5507/jtie.2021.016 DE 3D modeling; spare-time activity; technology. AB The article focuses on the possible modernization of technical interest activities from the perspective of 3D modeling. It presents selected 3D models that are interesting and useful for teenagers and at the same time support the development of technical literacy. The experiences described are supported by action researc, conducted over a period of less than two years in a specific primary school in the context of extracurricular activities for local pupils. Finally, individual models are offered, that can help circle leaders or educators to implement 3D modeling in teaching or hobby activities. ER