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(a) Schematic showing the iliac attachments used to transition from circular to elliptical interior vessel cross-sections. The upstream portion attaches to one-inch SCH80 clear PVC pipe, and the downstream portion attaches to the iliac bifurcation. Both connections are smooth internally, without any step changes in cross-sectional geometry. (b) Assembled and exploded views of the iliac attachments fabricated in VeroClear material using inkjet 3D printing.
