Elliptic Helicoid

A generalization of the Helicoid to the parametric equations

$$x(u,v) = av\cos u$$

$$y(u,v) = bv\sin u$$

$$z(u,v) = c u.$$

See also Helicoid

References

Gray, A. Modern Differential Geometry of Curves and Surfaces. Boca Raton, FL: CRC Press, p. 264, 1993.