A Polyhedron Compound composed of 5 Tetrahedra. Two tetrahedron 5-compounds of opposite Chirality combine to make a Tetrahedron 10-Compound. The following diagram shows pieces which can be assembled to form a tetrahedron 5-compound (Cundy and Rollett 1989).
See also Polyhedron Compound, Tetrahedron 10-Compound
References
Ball, W. W. R. and Coxeter, H. S. M. Mathematical Recreations and Essays, 13th ed. New York: Dover, p. 135, 1987.
Cundy, H. and Rollett, A. Mathematical Models, 3rd ed. Stradbroke, England: Tarquin Pub., pp. 139-141, 1989.
Wang, P. ``Renderings.''
http://www.ugcs.caltech.edu/~peterw/portfolio/renderings/.
Wenninger, M. J. Polyhedron Models. New York: Cambridge University Press, p. 44, 1989.