app/assets/svgs/heroicons/mini/view-columns.svg
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true" data-slot="icon">
<path d="M14 17h2.75A2.25 2.25 0 0 0 19 14.75v-9.5A2.25 2.25 0 0 0 16.75 3H14v14ZM12.5 3h-5v14h5V3ZM3.25 3H6v14H3.25A2.25 2.25 0 0 1 1 14.75v-9.5A2.25 2.25 0 0 1 3.25 3Z"/>
</svg>