The ACMER Ascarva 4S CNC Router is a standout precision engraver.

The digital fabrication industry continues to grow, and there's no better time to be a maker. Much has been written about 3D printing, but many DIYers have found more practical uses for CNC routers ...

Before testing out the Carvera Air, my experience with CNC was limited to big, improbable-looking machines that use trim routers, the sort of thing you include when you're building a home workshop.