frame-corners

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 256" fill="currentColor"><path d="M140,88a12,12,0,0,1,12-12h32a12,12,0,0,1,12,12v32a12,12,0,0,1-24,0V100H152A12,12,0,0,1,140,88ZM72,180h32a12,12,0,0,0,0-24H84V136a12,12,0,0,0-24,0v32A12,12,0,0,0,72,180ZM236,56V200a20,20,0,0,1-20,20H40a20,20,0,0,1-20-20V56A20,20,0,0,1,40,36H216A20,20,0,0,1,236,56Zm-24,4H44V196H212Z"/></svg>

<i class="ti ti-frame-corners"></i>

ti ti-frame-corners

<i class="ti ti-012011"></i>

ti ti-012011

<svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 256" fill="currentColor"><path d="M140,88a12,12,0,0,1,12-12h32a12,12,0,0,1,12,12v32a12,12,0,0,1-24,0V100H152A12,12,0,0,1,140,88ZM72,180h32a12,12,0,0,0,0-24H84V136a12,12,0,0,0-24,0v32A12,12,0,0,0,72,180ZM236,56V200a20,20,0,0,1-20,20H40a20,20,0,0,1-20-20V56A20,20,0,0,1,40,36H216A20,20,0,0,1,236,56Zm-24,4H44V196H212Z"/></svg>

<svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 256" fill="currentColor"><path d="M140,88a12,12,0,0,1,12-12h32a12,12,0,0,1,12,12v32a12,12,0,0,1-24,0V100H152A12,12,0,0,1,140,88ZM72,180h32a12,12,0,0,0,0-24H84V136a12,12,0,0,0-24,0v32A12,12,0,0,0,72,180ZM236,56V200a20,20,0,0,1-20,20H40a20,20,0,0,1-20-20V56A20,20,0,0,1,40,36H216A20,20,0,0,1,236,56Zm-24,4H44V196H212Z"/></svg>

https://cdn.jsdelivr.net/npm/@ticnob/icons@1/icons/frame-corners.svg