<p>Four intersecting rounded rectangles forming an alternating 12-crossing link of mathematical knot theory.
</p><p>For an alternative multicolored visual representation, see <a rel="nofollow" class="external free" href="http://katlas.math.toronto.edu/wiki/Image:4squares-12crossings.png">http://katlas.math.toronto.edu/wiki/Image:4squares-12crossings.png</a>
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If the 4 outer crossings are joined together (and the outermost arcs discarded), then you get the <a href="//commons.wikimedia.org/wiki/File:8crossing-symmetrical.svg" title="File:8crossing-symmetrical.svg">File:8crossing-symmetrical.svg</a> knot, while if the 4 middle crossings are joined together (and everything outwards of them discarded), then you get the "<a href="//commons.wikimedia.org/wiki/Category:Solomon%27s_knot" title="Category:Solomon's knot">Solomon's knot</a>" configuration...
AnonMoos
<p>Generated from the following PostScript vector source code:
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