Fig. 6From: Electrohydrodynamic (EHD) printing of nanomaterial composite inks and their applicationsFilter's components fabrication on a substrate. a EHD 3D printed schematic illustration of C-Ni composite electrodes. b EHD-printed 3D structures schematic diagram with 10 to 50 layers. c Laser confocal scanning 3D profiles of printed structures. d The structural height w. r. t. the no. of layers. e OM of 50-layers lattice structure having a space of 500 μm gap, reprinted from reference [50]Back to article page