underline-square-solid

pnpm dlx shadcn@latest add https://opensourceicon.com/r/iconoir/underline-square-solid.json

<svg xmlns="http://www.w3.org/2000/svg" width="96" height="96" viewBox="0 0 24 24"><path fill="currentColor" fill-rule="evenodd" d="M2.25 3.6c0-.746.604-1.35 1.35-1.35h16.8c.746 0 1.35.604 1.35 1.35v16.8a1.35 1.35 0 0 1-1.35 1.35H3.6a1.35 1.35 0 0 1-1.35-1.35zM8 5.25a.75.75 0 0 1 .75.75v4a3.25 3.25 0 0 0 6.5 0V6a.75.75 0 0 1 1.5 0v4a4.75 4.75 0 1 1-9.5 0V6A.75.75 0 0 1 8 5.25m-2 12a.75.75 0 0 0 0 1.5h12a.75.75 0 0 0 0-1.5z" clip-rule="evenodd"/></svg>