A generative visualization reproduces Sol LeWitt's geometric wall drawings by combining cyan horizontal stripes and magenta vertical stripes across the full viewport, with two circular masks creating a central lens effect. Built with D3.js, the code uses `range(n)` to generate 100 rectangles per orientation and `selectAll().join()` to bind data to SVG rect elements. Masking is implemented through SVG mask elements where one circle punches a hole in a dark field and the other inverts the pattern, demonstrating D3's SVG manipulation and data-driven rendering capabilities.