Figure 3From: Flexible microscaffold facilitating the in vitro construction of different cellular constructsFabrication process of our device. (a) Micromachinning of PMMA. (b) PDMS replication of PMMA microstructures. (c) Hole punching of replicated PDMS actuator layer. (d) Coating thin PDMS membrane on the actuator layer. (e) Assembling actuator and microchannel layer. (f) Insertion of microtubes. (g) Pouring of working fluid, i.e., glycerin.Back to article page