![tenebraris-et-mortis: Mathematical Model of The Surface z = 3a(x2 - y2) - (x3 + y3) - Alexander Crum Brown [1900]](https://64.media.tumblr.com/7eb624d431afd0871101dcf10572a9ab/tumblr_ntz70gDKyL1sgtyyqo1_500.jpg)
published on: 2015-09-01 19:17:02
jaffajamjam.tumblr.com/post/128124217989/
zaynxo: :)
here4zayn: reacting like
a-caged-bird-in-their-own-hell: Who wore it better?
awwww-cute: oh hai (Source: http://ift.tt/1Ewezmj)
paulrxdd: How dare you?!