3D printed PDMS (a) bridges at different exposure times, (b) fluidic device with a cross section of 500×500 μm 2 , and (c) blue and yellow dye flowing through the channels of the device in (b). 157 Reproduced from Desktop-Stereolithography 3D-Printing of a Poly(dimethylsiloxane)-Based Material with Sylgard-184 Properties, Bhattacharjee, N.;