A trefoil knot pendant Gallery A trefoil knot pendant A trefoil knot pendant A trefoil knot is the simplest non-trivial mathematical knot. It has been known for thousands of years. Oliver Labs2017-03-27T09:21:50+02:00algebraic space curve, all, exhibit "Forms and Formulas" (2012-2016, Lisbon), for art lovers, for mathematicians, for teachers, knots, pendants, precious metal, sine / cosine based curves, steel, strong and flexible| Read More