Icon for <a href="https://en.wikipedia.org/wiki/Wikimedia_project" class="extiw" title="w:Wikimedia project">Wikimedia project</a>´s <a href="https://en.wikipedia.org/wiki/portal" class="extiw" title="w:portal">portals</a>. It's roughly in 150x150px size. Made by myself. This is red variant of the SVG file ready for use by miniportals.
No machine-readable author provided. <a href="//commons.wikimedia.org/wiki/User:Aktron" title="User:Aktron">Aktron</a> assumed (based on copyright claims).
CC BY 2.5
No machine-readable source provided. Own work assumed (based on copyright claims).