Alan Holden
In Figure 3.7 “Orderly Tangles” p. 26 – “A knot with five crossings, distinct from the cinquefoil knot, has no axis of fivefold rotational symmetry, but only an axis of twofold rotational symmetry lying in the plane knot. In this respect it it comparable with a knot of six crossings.”
Wood
7″ x 8″
