Keywords: 12-crossings-ornamental-knot-around-triangle.svg Decorative knot with twelve crossings arranged around a central triangle and with overall 3-fold rotational symmetry Topologically equivalent to File Three-triquetras-knot svg and http //katlas math toronto edu/wiki/Image 12a503-around-hexagon png Self-made image declared to be in the public domain 2012 AnonMoos 12 crossing number knots and links Decorative knots Knots knot theory Generated by PostScript Knot diagrams with 3-fold rotational symmetry Knots and links on transparent background Outline knots and links |