border-all

pnpm dlx shadcn@latest add https://opensourceicon.com/r/proicons/border-all.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="round" stroke-linejoin="round" stroke-width="1.5" d="M12 20.25h4.25a4 4 0 0 0 4-4V12M12 20.25H7.75a4 4 0 0 1-4-4V12M12 20.25V3.75m0 0H7.75a4 4 0 0 0-4 4V12M12 3.75h4.25a4 4 0 0 1 4 4V12m-16.5 0h16.5"/></svg>