A curve whose Centrode revolves about a fixed axis with constant Angle and Speed when the curve is
traversed with unit Speed. The Tangent Indicatrix of a curve of constant precession is a
Spherical Helix. An Arc Length parameterization of a curve of constant precession with Natural
Scofield, P. D. ``Curves of Constant Precession.'' Amer. Math. Monthly 102, 531-537, 1995.