S numbers, Italian advertising style for a commercial car gear box. The internal structure of the pattern is a large sculpture model. There is an engine inside. It features gray and silver colors with clear lines. The background color should be a clean white. This is a detailed cutaway design, suitable for commercial use. High resolution, with a focus on details. A photorealistic rendering showcases intricate textures and materials in the style of a front view, it has an overall square composition. .8K --ar 4:3