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