# Viviani's curve

> figure-eight shaped three-dimensional curve, the intersection of a sphere with a cylinder

**Wikidata**: [Q2396808](https://www.wikidata.org/wiki/Q2396808)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Viviani's_curve)  
**Source**: https://4ort.xyz/entity/viviani-s-curve


## References

1. Freebase Data Dumps. 2013