Ключевые слова: 15 years old, 17 years old, 3d printer, 3d printing, boy, cad, caucasian, class, collaborating, collaboration, college, computer, computer aided design, design, education, female, filipino, girl, group, horizontal, indoors, lab, laboratory, laptop, learning, lesson, male, model, multicultural, multiethnic, people, person, school, student, studying, table, technology, teen, teenage, teenager, three people, together, uk, university, working,