<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48" fill="none"><rect x="6" y="6" width="36" height="36" rx="3" fill="none" stroke="currentColor" stroke-width="4" stroke-linejoin="round"/><rect x="13" y="13" width="8" height="8" fill="none" stroke="currentColor" stroke-width="4" stroke-linejoin="round"/><path d="M27 13L35 13" stroke="currentColor" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><path d="M27 20L35 20" stroke="currentColor" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><path d="M13 28L35 28" stroke="currentColor" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><path d="M13 35H35" stroke="currentColor" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/></svg>