generation. The system consists of the following parts: 3Dprinted Droplet Generation Units
(DGUs) with embedded capillaries and two 3D-printed pyramid distributors for supplying two
different fluid phases into every DGU. A single DGU consists of four independent parts: a top
channel, a bottom channel, a capillary and a sealing gasket. All components are produced
by 3dprinting except the capillaries, which are formed in a glass-puller. DGUs are …