Figure 3.

Printed tilted and overhanging features all printed with a 45 nm nozzle opening. (a) SEM images of tilted pillars, printed by stacking voxels with a lateral shift as illustrated in the inset. All pillars were printed with voxel heights of 10 nm. The lateral shift was increased by 2 nm from pillar to pillar, starting in the back with 0 nm up to a 14 nm lateral shift per voxel for the front most pillar. Each pillar has a vertical base voxel of 145 nm height. The SEM image shown is a combination of 5 SEM images shot at an 80° tilt angle overlaid to show all pillars in focus. (b) A schematic showing printing strategy employed to print overhanging voxels as the meniscus was established and broken laterally. (c) The letters “E”, “T”, and “H” printed using this method (image taken at a 30°). The scale bar is the same for all three micrographs of the separate letters.