Meet Mr Beam II: a desktop laser cutter and engraver that connects to your tablet or computer by WiFi to allow you to cut and engrave on a wide variety of materials. It has a camera to let you better position your design on the material. Mr Beam II provides you with 500x400mm working area. It does not require a special driver to work.
The device lets you cut and engrave plywood, cardboard, felt, leather, acrylic, and other materials. It gets over-the-air software automatically. You can find out more on Kickstarter.