画一个完美的圆
How good are your circle drawing skills?
排版术语学习
Type Terms. The animated typographic cheat sheet.
字体排版练习
A game to learn how to kern type
相似颜色查找
Kolor is a Free Browser Game where you have to be as fast as possible by guessing colors in order to score high. Play Now!
像素宽度识别能力
Pixactly is an online tool that tests how well you know your pixels. Try it for yourself! #pixactly