[illustration] Penrose hug
by Fabian Denter on Jun 14, 2015
https://dribbble.com/shots/2105831-Penrose-hug
原始圖樣:
uxundtollerei issue8 的封面圖
http://uxundtollerei.com/issue/8
命名由來:
https://en.wikipedia.org/wiki/Penrose_triangle
TODO:
用數學算出真正的角度...
codepen:
http://codepen.io/Rplus/details/QNgjzE/
youtube demo:
https://www.youtube.com/watch?v=bts6CIm7vlQ
youtube live coding record:
https://www.youtube.com/watch?v=ytpHAUH2U3o