Lineweight icon

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 21 21" width="24" height="24"><g fill="none" fill-rule="evenodd" stroke="currentColor"><rect width="14" height="2" x="3.5" y="6.5" fill="currentColor" rx="1"/><path fill="currentColor" d="M3.5 11.5h14v1h-14z"/><path stroke-linecap="round" stroke-linejoin="round" d="M3.5 15.5h13.981"/></g></svg>