13 or 14, Halloween surprise
arXiv:2511.14785
Abstract
We discuss here the history of the rhombocuboctahedron and pseudorombocuboctahedron and describe the structure of their paper models. It turns out that one of them serves as an excellent basis for creating a Jack-o'-lantern. The note is written primarily for school students.
3 pages, 8 figures (in Russian)