This cut and folded tan paper model has twenty equilateral triangles for faces.
A paper tag reads: 405. A mark in pencil reads: Jan-12-1932 (/) No. 405.
According to Wheeler's catalog, it can be transformed into a rhombic dodecahedron.
Reference:
A. H. Wheeler, Catalog of Models. A. H. Wheeler Papers, Mathematics Collections, National Museum of American History.
Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.
If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.