# sphericon

> solid that has a continuous developable surface with 2 congruent semi circular edges, and 4 vertices that define a square; member of a special family of rollers

**Wikidata**: [Q7576723](https://www.wikidata.org/wiki/Q7576723)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sphericon)  
**Source**: https://4ort.xyz/entity/sphericon