I'm no expert but I think they're still fairly commonly used in China. There's a rather popular small cheap 40w laser engraver (3020) sold on sites like Alibaba

I'm no expert but I think they're still fairly commonly used in China. There's a rather popular small cheap 40w laser engraver (3020) sold on sites like Alibaba designed for stamp making that's become fairly popular elsewhere for hobbyist usage.