A fork of a Sol LeWitt reproduction, this piece generates a field of 100 horizontal and 100 vertical rectangles in D3 v3. The code uses `d3.select`, `d3.range`, and SVG `mask` elements to layer the stripes. Two circular masks, one with a black background and white circle, the other with inverted colors, clip the grids to reveal intersecting patterns. The result is a dynamic geometric composition rendered at full screen size.