# Jessen's icosahedron

> non-convex polyhedron whose faces meet in right angles

**Wikidata**: [Q6187017](https://www.wikidata.org/wiki/Q6187017)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Jessen's_icosahedron)  
**Source**: https://4ort.xyz/entity/jessen-s-icosahedron