This example reproduces a Sol LeWitt wall drawing using D3.js, rendering a grid of horizontal and vertical stripes on an SVG canvas. The stripes are masked by two overlapping circles, creating a circular intersection pattern that reveals and hides parts of the grid. The code uses `d3.select`, `d3.range`, and SVG `mask` elements to define the visual effect. The artwork scales to the browser window, with masks controlling which stripes remain visible, echoing LeWitt’s geometric, systematic style.