This example recreates a Sol LeWitt-inspired geometric wall drawing using the D3.js library. It shows a grid of thin, white horizontal and vertical strokes that are selectively revealed through circular mask shapes on a black background, creating layered optical patterns. The code uses `d3.select`, `d3.range`, and `d3.symbols` to generate the lines and masks, which are rendered as SVG elements. The visualization is driven by D3’s data-join methods to append and position the rectangles and paths.