![](https://coimages.sciencemuseumgroup.org.uk/232/511/large_thumbnail_1914_0263__0008_.jpg)
Polyhedra model (card)
![One of eighteen uniform polyhedra card models illustrating non](https://coimages.sciencemuseumgroup.org.uk/336/992/medium_smg00174592.jpg)
One of eighteen uniform polyhedra card models illustrating non convex antiprisms with ratios of 6/2. Made to order for the Science Museum by David M. R. Roberts.
One of eighteen uniform polyhedra card models illustrating non convex antiprisms with ratios of 6/2. Made to order for the Science Museum by David M. R. Roberts.