Engraving is the processing of materials by separating particles. It is a technique of engraving certain contours on a solid surface using tools of various shapes and sizes. Despite the fact that it is possible to buy a wide rage of CNC machines on the market, carefully planning and constructing your own machine with the desired characteristic can be much cheaper. At the beginning of the paper, the theoretical foundations of CNC machines are presented, as well as the basic differences between CNC and NC machines. The mode of operation of the control is also described, including its advantages when used. Below is a description of the built structure and the role of individual components of the machine. In the practical part, the construction of the individual parts of CNC engraving machine was elaboreted, according to the set requirements for the maximum dimensions of the machine. The selection and production of individual prats of the machine, as well as teir role in the assembly, are desctibed. The area of work and the accuracy of the processing and the characteristics of individual elements of machine are specified. At the end. The approximate costs of the basic elements and the approximate price of the machine itself are listed. The quality of the machine itself depends on the accuracy of the tools we use, and the goal is to get a machine of the highest quality and lowest overall price.