# wallpaper group

> mathematical classification of a two-dimensional repetitive pattern

**Wikidata**: [Q906867](https://www.wikidata.org/wiki/Q906867)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Wallpaper_group)  
**Source**: https://4ort.xyz/entity/wallpaper-group


## References

1. Freebase Data Dumps. 2013