A polymeric heart valve is disclosed including: a valve body having a central axis having a body fluid pathway extending along the central axis from an inflow end to an outflow end a flexible stent disposed about an outer circumference of the body and including at least three flexible stent posts each extending in the axial direction to a tip and at least three flexible leaflets extending from the stent, each of the leaflets having an attached edge defining an attachment curve along the stent extending between a respective pair of stent posts.
