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Continue to ChatA design-oriented STEM activity for students' using and improving their engineering skills: the balance model with 3D printer - https://avesis.hacettepe.edu.tr/yayin/ed95d660-87fc-4a5b-80e8-1fd9bfe44f88/a-design-oriented-stem-activity-for-students-using-and-improving-their-engineering-skills-the-balance-model-with-3d-printer