It utilizes diamond scribing method to engrave letters, logos, patterns, photos/images, etc. by pressing metals (e.g., aluminum, metal and surgical steel, as well as precious metals like gold, silver, etc.) and non-metals (e.g., plastic and glass) with a diamond tool. Diamond scribing is efficiently used in various fields, and is characterized as the easiest and fastest engraving method that produces high-quality engraving results.