價格：免費
檔案大小：42.6 MB
版本需求：系統需求：iOS 8.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Drag your finger across the screen to inscribe simple line segments and watch as triangles appear, sometimes surprisingly. The mathematical area of the triangle determines its color.
A simple, peaceful distraction in an otherwise hectic online world, where you can reflect on the beauty of simple triangles.
支援平台：iPhone, iPad