“…Depending on the material and machine technology used, 3D printing (Additive Manufacturing) has been classified into seven categories, namely VAT Photopolymerisation, Material Jetting, Binder Jetting, Material Extrusion and Powder Bed Fusion (ASTMInternational, 2012). 3D printing has been applied in a variety of industries, such as aerospace (Campbell et al, 2011;Lee et al, 2016), automotive (Guo and Leu, 2013;Rahim and Maidin, 2014), biomedical (Gebhardt et al, 2010;Hutmacher, 2015;Marga et al, 2012;Melchels et al, 2012), building and construction (Perkins and Skitmore, 2015;Song and Hu, 2015;Valkenaers et al, 2014), marine and offshore (Bhudolia et al, 2015;Chua et al, 2016;Tham et al, 2015), food industry (Lipton et al, 2015;Sun et al, 2015a;Sun et al, 2015b), environmental engineering (Bara et al, 2013;Cho et al, 2015;Mathai, 2015), as well as desalination and water treatment (Andersson et al, 1985;Johnson et al, 1993).…”