Illustration for adult coloring book, page completely filled with drawings made of geometry and mathematics, drawing with perfect and closed strokes, symmetrical, minimalist, fine and marked black lines, white background. The illustration must be with its complete elements and within the margins. The drawing will be in black and white, monochrome, with well-defined lines and contours, marked and clean, without grayscale, or use of bullets, and with a completely white background. The illustration will be made up of intricate mandala patterns and geometric elements, which will occupy the entire surface of the sheet. It will be rich in details. The mandala patterns will be designed with perfect symmetry, adding visual harmony to the whole, using geometric elements of different sizes such as circles, semicircles, arcs, ovals, rhombuses, squares, rectangles, triangles, hexagons, straight lines, among others, sacred geometry, spirals. , stars, hearts. The outline of each element of the mandala will have a complete, perfect and well-defined finish. The contours of the mandala patterns will be balanced, clean and closed, to facilitate coloring without doubts about the limits of each detail. The illustration will be created in vector format, which will allow scalability without loss of quality and will ensure sharp, precise lines. It will have a high definition resolution, guaranteeing exceptional quality for printing and coloring. Image with light background, no bullets, no colors --no colors, bullets, incomplete drawings, deformed drawings, letters, phrases, NFT