Figure 2
From: Superhydrophobic porous networks for enhanced droplet shedding

SEM images and schematic illustrations showing the structure of the surface.
The pillar diameter (d1), height (h1) and pillar-to-pillar spacing (l1) of the first layer are 80, 200 and 260 μm, respectively. The characteristic pore diameter (d2) in the porous media is ~450 μm.