Its flat. Thats whats makes habbo habbo, nothing is flat in habbo, its just common knowlegde, even a flat shape is exerted in some way. Its nice. 8/10 for idea, i was gonna do that ma self, but you beat me to it :D I wouldn;t have made it look better.
Anywho, when you said some different then petal patches i xpected someone to rip the snow patches from some of the hotels (.fr). Maybe try something simular? Soil patch :D
