https://www.atom-stack.com/products/atomstack-a5-m40-40w-laser-engraving-machine , Do you remember ATOMSTACK A5 and A5 Pro? A year later, its successor is now available. The " ATOMSTACK A5 M40 " should make semi-professional engraving and cutting of wood, acrylic, cardboard, etc. easier for hobbyists. atomstack