square-outline

pnpm dlx shadcn@latest add https://opensourceicon.com/r/glyphs/square-outline.json

<svg xmlns="http://www.w3.org/2000/svg" width="96" height="96" viewBox="0 0 80 80"><path fill="currentColor" fill-opacity=".25" fill-rule="evenodd" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" d="M14 18a4 4 0 0 1 4-4h44a4 4 0 0 1 4 4v44a4 4 0 0 1-4 4H18a4 4 0 0 1-4-4zm48 0H18v44h44z" clip-rule="evenodd"/></svg>