square-dashed-cursor from coolicons in Line with regular corners. select, selection, pointer, click, mouse, area, marquee, arrow. Other styles and corners: @coolicons/<style>/<radius>/square-dashed-cursor with line, duocolor, duotone, fill or bulk and sharp or round. Leave out regular, like @coolicons/fill/square-dashed-cursor, and use @coolicons/square-dashed-cursor for line with regular corners.
pnpm dlx shadcn@latest add "https://coolicons.cool/r/square-dashed-cursor.json"