“…Over more than a decade, hardware cost and performance improvements as well as complementing software developments have made 3D printing practical for usage by college educators who lecture and run teaching laboratories in the STEM fields. Educational 3D printed models of various kinds have so far been utilized for the visualization of a wide range of concepts in mathematics (Hart 2005, Segerman 2012), computer science (Papazafiropulos 2016), crystallography (Moeck 2014a, Chen 2014, Kaminsky 2014, Kitson 2014, Moeck 2014b, Moeck 2014c, Teplukhin 2015, Gražulis 2015, Moeck 2017a, mineralogy (Moeck 2014a, Kaminsky 2014, Moeck 2016a, geosciences (Horowitz 2014), crystal and condensed matter physics (Stone-Sundberg 2015, , Moeck 2016a, Casas 2018, structural biology (Gillet 2005, Roberts 2005, Herman 2006, Bain 2006, Olson 2006, Jittivadhna 2010, Wedler 2012, Moeck 2014a, Violante 2014, Meyer 2015, Gardner 2016, Davenport 2017, Kat Cooper 2017, Da Veiga Beltrame 2017, Jones 2018, Paukstelis 2018, Tavousi 2018, chemistry (Flint 2011, Wedler 2012, Halford 2014, Moeck 2014b…”