Sorry, this is all writen in Chinese but I guess you guys still get the idea.
http://site.douban.com/widget/notes/243676/note/103198231/
http://v.youku.com/v_show/id_XMjI1MzE2NzU2.html
This was sent to your Chillout Zone by zthom
on Monday, December 26, 2011
on Monday, December 26, 2011
@ Sat, 2012-01-14 01:43
Sweet!!!
Sweet!!!
@ Fri, 2011-12-23 14:29
6B to 8B+
Neat idea..... i am suprised at the accuracy...... now on my list of never-ending list of projects.
My guess is a good 6 or 7 or 8B pencil would be needed..