Polyhedra model (card)
2000
Collection of 18 uniform polyhedra card models illustrating non convex antiprisms with ratios of 2/1, 3/1, 4/1, 4/2, 5/1, 5/2, 5/3, 6/1, 6/2, 6/3, 7/1, 7/2, 7/3, 7/4, 8/3, 8/5, 9/4 and 9/5. Made to order for the Science Museum by David M. R. Roberts.
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