Vol. 1, pp 701–708 H.S.M. Coxeter, Regular Polytopes, (3rd edition, 1973), Dover edition, , 3.6 6.2 Stellating the Platonic solids, pp. 96–104 (1st Edn University of Toronto (1938)) Wenninger, Magnus J., Polyhedron models; Cambridge University Press, 1st Edn (1983), Ppbk (2003). . (Model 42, p 65, Final stellation of the icosahedron) Jenkins, Gerald, and Magdalen Bear. The Final Stellation of the Icosahedron: An Advanced Mathematical Model to Cut Out and Glue Together. Norfolk, England: Tarquin Publications, 1985. . External links With instructions for constructing a model of the echidnahedron (.doc) by Ralph Jones Towards stellating the icosahedron and faceting the dodecahedron by Guy Inchbald Stellations of the icosahedron 59 Stellations of the Icosahedron VRML model: http://www.georgehart.com/virtual-polyhedra/vrml/echidnahedron.wrl Netlib: Polyhedron database, model 141 Polyhedral stellation Polyhedra