A further nice thing about the D1 Professional is its upgradeability. In particular, it’s on the list of several hobbyist laser engravers using an infrared laser add-on. Infrared lasers tend to be more powerful than diode lasers, particularly for metal engraving, which makes them the go-to choice for jewellery engravers.  https://josuevbipn.blogocial.com/the-2-minute-rule-for-cnc-near-me-62660463