To provide an engraving machine capable of switching the engagement and the release of an accessory device by an easy lever operation, where an engraving device is equipped with a function to perform a three dimensional engraving by three dimensionally moving the cutter.

In the engraving device, a holding section to hold a spindle 22 to process a material to be cut and shaved, a rise and fall member 32 which goes up and down by rotation of a motor 31, the first protuberance 60 of a lever 38 which connects to an inside edge 35 of the rise and fall member 32, and the other part of the first protuberance 60 of a lever 38 are positioned to be able to rotate and move back and forth to the holding member 37.