panel-bottom from coolicons in Line with regular corners. footer, drawer, layout, dock, pane, console. Other styles and corners: @coolicons/<style>/<radius>/panel-bottom with line, duocolor, duotone, fill or bulk and sharp or round. Leave out regular, like @coolicons/fill/panel-bottom, and use @coolicons/panel-bottom for line with regular corners.
pnpm dlx shadcn@latest add "https://coolicons.cool/r/panel-bottom.json"