# Chubb illusion

> optical illusion

**Wikidata**: [Q2881498](https://www.wikidata.org/wiki/Q2881498)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Chubb_illusion)  
**Source**: https://4ort.xyz/entity/chubb-illusion


## References

1. Freebase Data Dumps. 2013