像素体积树
由 SasakiSaki 编写
#52 in #volume
24 每月下载量
12KB 289 代码行（不含注释）
参考
https://www.zhihu.com/question/39961600
https://mathematica.stackexchange.com/questions/120041/how-to-generate-image-like-qr-code-with-mathematica
~740KB ~14K SLoC