square

pnpm dlx shadcn@latest add https://opensourceicon.com/r/wordpress/square.json

<svg xmlns="http://www.w3.org/2000/svg" width="96" height="96" viewBox="0 0 24 24"><path fill="none" stroke="currentColor" stroke-linecap="square" stroke-width="1.5" d="M5.75 12.75v5.5h5.5m1.5-12.5h5.5v5.5"/></svg>