Laser Brush is a tool designed for manual laser artistic processing of metals. The laser replaces the artist's brush, and the metal serves as the canvas. This development allows for the creation of colored strokes and precise control over line thickness, surface relief, and the ability to work on various shapes, sizes, and surfaces. The device ensures that the operator/artist can work safely and comfortably in a manual mode. Color formation does not require consumables (including dyes) — the color is created through optical effects, such as light interference in the thin laser-induced oxide film.