價格：免費
檔案大小：1.3 MB
版本需求：需要 iOS 3.1.2 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
This app helps you to discover and understand the symmetry laws of crystal structures. It simulates the symmetry environment of the 17 planar (two-dimensional) groups, which you can decorate with various objects according to your fantasy.
In playing this game you will not only enjoy creating colourful designs à la Escher on your own, but also effortlessly master the main concepts of crystallographic symmetry, such as symmetry operation, asymmetric unit, general and special positions.
Do not forget to share your best creations with friends or submit it to our Web Gallery!
支援平台：iPhone