Skip to main content
. 2017 Oct 18;24:80. doi: 10.1186/s12929-017-0384-2

Fig. 4.

Fig. 4

Schematic diagrams and images of fabricating 3D microchannel using liquid metal: a printing the liquid metal, b encapsulating the printed pattern in a polymer, c withdrawing the metal, and (d) refilling with red dye solution, with courtesy of [126]