This example generates a grid of 32 smiley faces using React and SVG. Each face is composed of a yellow circle, two black eyes, and a mouth drawn with a d3 arc path. The eyes and mouth are positioned and sized with randomized radii, producing subtle variations across the grid. The code builds each face from composable React components (BackgroundCircle, Eyes, Mouth) and renders them within an SVG container using d3's arc API for the mouth shape.