square-full

pnpm dlx shadcn@latest add https://opensourceicon.com/r/fa7-regular/square-full.json

<svg xmlns="http://www.w3.org/2000/svg" width="96" height="96" viewBox="0 0 640 640"><path fill="currentColor" d="M512 112c8.8 0 16 7.2 16 16v384c0 8.8-7.2 16-16 16H128c-8.8 0-16-7.2-16-16V128c0-8.8 7.2-16 16-16zM128 64c-35.3 0-64 28.7-64 64v384c0 35.3 28.7 64 64 64h384c35.3 0 64-28.7 64-64V128c0-35.3-28.7-64-64-64z"/></svg>