square-shadow-12-filled

pnpm dlx shadcn@latest add https://opensourceicon.com/r/fluent/square-shadow-12-filled.json

<svg xmlns="http://www.w3.org/2000/svg" width="96" height="96" viewBox="0 0 12 12"><path fill="currentColor" d="M3 1a2 2 0 0 0-2 2v4a2 2 0 0 0 2 2a2 2 0 0 0 2 2h3.5A2.5 2.5 0 0 0 11 8.5V5a2 2 0 0 0-2-2a2 2 0 0 0-2-2zm-.5 2a.5.5 0 0 1 .5-.5h4a.5.5 0 0 1 .5.5v4a.5.5 0 0 1-.5.5H3a.5.5 0 0 1-.5-.5z"/></svg>