A CO2 laser is excellent for hobbyists and small companies. It may cut and engrave the widest selection of materials (but, not metals). They are able to even laser cut very clear acrylic, which diode lasers can’t do, as they are restricted to darkish colours of acrylic. Raster engraving with https://alexiscqajq.blogthisbiz.com/41866388/the-smart-trick-of-roller-conveyors-that-nobody-is-discussing