grid-alt from coolicons in Line with regular corners. table, spreadsheet, cells, layout, matrix. Other styles and corners: @coolicons/<style>/<radius>/grid-alt with line, duocolor, duotone, fill or bulk and sharp or round. Leave out regular, like @coolicons/fill/grid-alt, and use @coolicons/grid-alt for line with regular corners.
pnpm dlx shadcn@latest add "https://coolicons.cool/r/grid-alt.json"