uploaded to en:wiki, 02:21, 3 September 2006 by Baserinia English A three-dimensional depiction of a thickened trefoilknot, the simplest non-trivial knot.
DescriptionThe two trefoilknots.pdf A trefoilknot and its mirror image; I just combined two pictures from wikipedia Source w:File:TrefoilKnot-02.png Author Rybu