“…Such problems are often solved with computer graphic software originally not intended for scientific research (Filippov & Sobolev, 2002;Hansen & Johnson, 2005;Lipşa et al, 2012;Johnson & Hertig, 2014). One such package is Blender (Blender Foundation, 2003, whose 3D tools are systematically utilized in various disciplines (Kent, 2015;Filippov, 2018), for instance, biology (Autin, Johnson, Hake, Olson, & Sanner, 2012), astronomy (Kent, 2013), geoinformatics (Scianna, 2013), geomorphometry (Florinsky & Filippov, 2017), and so on. Huffman (2014Huffman ( , 2017 used 3D Blender tools to produce 2D hill-shaded relief maps.…”