This example renders a grid of 18 cartoon faces using React components, each with randomized facial features such as eye offset, eye radius, mouth radius, and stroke width. The faces are composed of SVG circles and a D3 arc path for the mouth, assembled via reusable components like `FaceContainer`, `BackgroundCircle`, `Eyes`, and `Mouth`. D3’s `arc` API generates the mouth shape, while `range` from D3 creates the array of faces. The SVG output is positioned using a centered `<g>` transform, with all styling handled through inline SVG attributes.