MGH Angel 001

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row 1, cell 1	row 1, cell 2	row 1, cell 3
row 2, cell 1	row 2, cell 2	row 2, cell 3

This phantom was created based on the automatic segmentation of a human subject. Surfaces were created using the marching cube algorithm ("isosurface" function in Matlab) and were simplified using Meshlab ("Laplacian Smooth" and "Quadric Edge Collapse Decimation" functions). The phantom consists of two nested compartments. The inner compartment is the skull, which is 3D printed as two matching parts (since bone has a low conductivity, plastic somewhat mimics this material). These parts, especially the front half of the skull, contain many complex details and therefore should be printed using dissoluble support material. The skull contain an inner compartment to be filled using a brain-like gel (this brain compartment is uniform and does not mimic the grey and white matter nor the CSF-filled ventricles). The outer compartment is simply