Fast, affordable three-dimensional printing or 3D manufacturing at micron or nano-scale is a holy grail for many high-tech industries. Current state of the art has generally been limited to smallest feature sizes in the 5-10 micron range, with metal-based 3D printer systems held at 100 microns. Another problem is 3D printers are limited to polymer media or require large laser sources. To address these issues, researchers at the University of California, Berkeley, have developed methods and devices to efficiently deposit desirable constituent materials (e.g. metallic, semiconducting, insulating, etc.) with precise micron and nano-scale resolution and without expensive laser requirements. These methods show promise in terms of fast sub-5 micron print speeds, material versatility, and structure sophistication. This is an entirely new fabrication tool, which is unencumbered by the limitations of existing 3D print-like functions, paving the way to arbitrary 2D and 3D nanoscale structures and devices that cannot be fabricated in any other way.