(a) Experimental setup allows the preparation of the responsive pillars. Reprinted with permission from Ref. [21]. (b) The monomer and the crosslinker used to fabricate the main chain CLCP pillars in panel (d). (c) The LC monomer used to prepare the responsive microstructured CLCP surface in panel (e). (d) Contraction of isolated nematic main-chain CLCP pillars upon heating. Reprinted with permission from Ref. [30]. (e) Microstructured CLCP surface. Scale bar: 10 μm. (f) Cyclic measurements of the water CA for the microstructured CLCP surface. Insets are representative profiles of a water droplet on the surfaces. Reprinted with permission from Ref. [31].