Fig. 7.

(a) Square porous CoCrMo cellular structures with varying porosities created by SLM [152]; SEM images of the CoCr stents prepared by the SLM with different process parameters; (b) hatching ​and (c) concentric scanning strategies [154]; reprint with permission. (d)–(e) Technology demonstrations made of magnesium alloys printed by SLM: (d) a topological optimized triple clamp with a 1:4 scale model; (e) a biodegradable scaffold with designed interconnected porosity [156] (© European Powder Metallurgy Association (EPMA). First published in the World PM2016 Congress Proceedings).