ComMarker B4 laser engraver review
TechRadar Verdict The ComMarker B4 20W laser engraver offers precision, speed, and ease of use in a compact form, making it an ideal option for small businesses. Its 20W power is sufficient for a huge variety of materials, especially metal, plastic and leather, with the fibre laser design giving you speed that’s hard to match. However, it does limit the engraving size, and wood needs to be painted prior to use....