1, engraving machine It is a numerical control machine tool. Metal engraving machine can cut and punch metal or nonmetal plates and pipes in a non-contact way, which is especially suitable for stainless steel plates, iron plates, silicon wafers and ceramic wafers. If the hexahedron wants to draw a 90-degree right angle, open the software first.

2. Secondly, find the menu bar in the software and the stretching tool in the menu bar.

3. Finally, click the stretch tool to select the object whose value is to be modified.