square-dashed-minus from coolicons in Line with regular corners. remove, subtract, collapse, decrease, delete, less, dotted, draft, box, rectangle. Other styles and corners: @coolicons/<style>/<radius>/square-dashed-minus with line, duocolor, duotone, fill or bulk and sharp or round. Leave out regular, like @coolicons/fill/square-dashed-minus, and use @coolicons/square-dashed-minus for line with regular corners.
pnpm dlx shadcn@latest add "https://coolicons.cool/r/square-dashed-minus.json"