The package uses PStricks and pst-solides3d to draw three dimensional ribbons on a cylinder, torus, sphere, cone or paraboloid. The width of the ribbon, the number of turns, the colour of the outer and the inner surface of the ribbon may be set. In the case of circular and conical helices, one may also choose the number of ribbons.

The authors are Manuel Luque and Herbert Voß. The package is Copyright © 2004-2011 Herbert Voß.