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Phantom designs (left column) and printed phantoms (right column). (a) and (b) 30 μm ideal geometry phantom. (c) and (d) 50 μm ideal geometry phantom. (e) and (f) 70 μm ideal geometry phantom. (g) and (h) phantom with no feature. (i) and (j) 50 μm ideal geometry phantom with 40% of walls randomly deleted.
