Alexandrov Puzzle

Year: 2022 Authors: Kodai Takenaga; Shizuo Kaji

Core claim

The Latin cross can be engineered as a physical puzzle whose hinged panels and boundary gluing realize five convex polyhedra, with multiple valid crease patterns.

Topics

polyhedron folding, edge-to-edge glueing, physical puzzle, crease patterns

Domains

convex polyhedra, Alexandrov’s theorem, polyhedral metrics, geometric folding, puzzle design, paper engineering, tactile visualization, educational craft

Methods

computer enumeration, zipping sequences, physical prototyping, participant testing

Media

thick paper, masking tape, magnets, velcro

Source status

This page publishes metadata and extracted analytical signals only. Raw PDF and full OCR text are kept local for now.