
One of the three Standard Tori given by the parametric equations
See also Apple, Cyclide, Horn Torus, Lemon, Parabolic Spindle Cyclide, Ring Torus, Spindle Cyclide, Standard Tori, Torus
References
Gray, A. ``Tori.'' §11.4 in Modern Differential Geometry of Curves and Surfaces. Boca Raton, FL: CRC Press, pp. 218220, 1993.
Pinkall, U. ``Cyclides of Dupin.'' §3.3 in Mathematical Models from the Collections of Universities and Museums (Ed. G. Fischer). Braunschweig, Germany: Vieweg, pp. 2830, 1986.