4symmetrical-square.svg Decorative knot with twelve crossings, depicted with four-fold symmetry. This is topologically equivalent to File:12crossings-fourfold-symmetric...
File:Circular-cross-decorative-knot-12crossings.svg and topologically equivalent to File:12crossings-4symmetrical-square.svg (see http://katlas.math.toronto...
File:12crossings-fourfold-symmetric.svg (which has all knot crossings at 90° angles), and is topologically equivalent to File:12crossings-4symmetrical-square...
