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. 2019 Feb 15;3:9. doi: 10.1186/s41747-018-0083-0

Fig. 5.

Fig. 5

Example of a vessel print with support structures. When the vessel is printed in the anatomically correct orientation (a), it is running perpendicular to the printing surface and thus a lot of support material is required. When re-oriented and printed parallel to the printing surface (b), less support is required