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Endothelial (EA.hy-926) 3D cell growth in V-slope flat-bottom A-PEGDA printed devices with varying bottom diameters of 700 μm (a,d,g), 200 μm (c,e,h), and 100 μm (c,f,i). CAD designs (a-c) and representative phase microscopy images (d-i). Zoom images are shown to illustrate 3D networks that formed.
