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. 2015 Aug 21;10(8):e0136198. doi: 10.1371/journal.pone.0136198

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© 2015 Naftulin et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 2 — A) CT scan visualized using InVesalius. The green highlights the skull to be rendered, selected using image intensity (step A2). B) 3D printed skull with structural support from lateral viewpoint (step B2). C) 3D printed skull from medial viewpoint after removing the internal support material (step B3). D) 3D printed skull from anterolateral viewpoint after removing the support material. E) Anterior and inferior portion of skull and brain interlocking with a 64-contact electrode grid oriented for surgical planning.