Sierpinski triangle with the abacaba pattern labelled.
<div style="display:inline-block;padding:0 3px;background-color:#BDC"><a href="//commons.wikimedia.org/wiki/File:ABACABA_Sierpinski_triangle.png" title="File:ABACABA Sierpinski triangle.png"><b>Original: </b></a></div> <div style="display:inline-block;padding:3px 0;"><a href="https://de.wikipedia.org/wiki/Benutzer:Hyacinth" class="extiw" title="de:Benutzer:Hyacinth">Hyacinth</a></div> <div style="display:inline-block;padding:0 3px;background-color:#CCF">Vector: </div> <div style="display:inline-block;"><a href="//commons.wikimedia.org/wiki/User_talk:Andel" title="User talk:Andel">Andel</a></div>
<span class="int-own-work" lang="en">Own work</span>, following a picture by <a href="//commons.wikimedia.org/wiki/User:Hyacinth" title="User:Hyacinth">Hyacinth</a>