This generative art piece recreates a Sol LeWitt-inspired wall drawing using only SVG shapes. It shows a grid of horizontal and vertical black stripes confined to a central circular area. The code builds two SVG masks: one cuts a hole in a black circle, while the other inverts it, so overlapping stripes are visible only within the ring. The stripes are generated with JavaScript loops, each rect targeted to a specific mask via `url(#circle-mask)`. The artwork adapts to the browser window dimensions.