An irregular Dodecahedron Cross shaped like a sign but whose points flange out at the end: . The conventional proportions as computed on a grid as illustrated above.
See also Cross, Dissection, Dodecahedron
References
Frederickson, G. ``Maltese Crosses.'' Ch. 14 in Dissections: Plane and Fancy. New York: Cambridge University Press,
pp. 157-162, 1997.