All Octicons
columns
Octicon sizes navigation
React
import {ColumnsIcon} from '@primer/octicons-react' <ColumnsIcon size={24} />
Rails
<%= render(Primer::Beta::Octicon.new(:columns, size: :medium)) %>
Jekyll
{% octicon columns height:24 %}
Figma
This icon is called columns-24
in Primer's Octicons library.