Sherline is a machine tool builder founded in Australia[1] and currently headquartered in Vista, California, USA.
They provide an inexpensive way to build custom tooling using modular components (XY tables, machine slides, etc.).
[2] Its product line helps to put machine tools in places where traditionally they would be unlikely to go by lowering the threshold for market entry.
The company was then established in the United States in 1974 by Joe Martin, who recognized the potential of these machines in the growing hobbyist market.
He also bemoaned the lack of regidity found in the Unimat Over the years, Sherline expanded its product line to include milling machines and CNC systems.