Fig. 3From: The recent development and applications of fluidic channels by 3D printing a Fabrication procedures, 1: direct 2D or 3D sugar structures printing; 2: pouring PDMS on the structures; 3: removing sugar structures to obtain fluidic chips without further sealing, b printed 3D sugar structure, and c a 12-layer 3D microvascular network, with courtesy of [125]Back to article page