“…However, developing the Lin et al / Using 3D Printing in STEM Learning Activities 2 / 13 engineering design process is not an easy task. When studying the engineering design process of senior high school students, many scholars discovered that the students' performances in several areas, including defining questions, gathering data, and modeling, had yet to improve, and thus deemed it worthwhile to further reflect on how to improve the students' performance in these respects (Atman, Adams, Cardella, Turns, Mosborg, & Saleem, 2007;Wells, Lammi, Gero, Grubbs, Paretti, & Williams, 2016).…”