RT Journal Article SR Electronic A1 SOSNA, Tomáš A1 VOCHOZKA, Vladimír T1 SELECTED 3D MODELS SUITABLE FOR TECHNICAL SPARE-TIME ACTIVITIES JF Journal of Technology and Information Education YR 2022 VO 13 IS 2 SP 164 OP 174 DO 10.5507/jtie.2021.016 UL https://jtie.upol.cz/artkey/jti-202102-0002.php 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.