Hexagonal Trefoil Knot

(* Maple *)

x(t)= -10*Cos[t] - 2*Cos[5*t] + 15*Sin[2*t]

y(t)= -15*Cos[2*t] + 10*Sin[t] - 2*Sin[5*t]

z(t)= 10*Cos[3*t]

r(t)= ( x(t),y(t),z(t) )





Animation of similar knot:
http://youtu.be/rChqj_2-7M4