box-duo

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

<svg xmlns="http://www.w3.org/2000/svg" width="96" height="96" viewBox="0 0 80 80"><g fill="none"><path fill="currentColor" fill-opacity=".25" d="M12 34h56v32H12zm0 0h56l-8-20H20z"/><path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" d="M12 34h56m-56 0v32h56V34m-56 0l8-20h40l8 20M40 14v20"/></g></svg>