Author ：yidanyang@gmail.com Special Thanks : CoDEmanX, Muffy, Atom, Sergey Sharybin and many many more good guys.
Parts aligning / Points pairs match(align) 点对匹配器 | 组件组装工具
blenderartists: http://www.blenderartists.org/forum/showthread.php?296227-Parts-aligning-Points-pairs-match%28align%29
blenderCN: http://bbs.blendercn.org/forum.php?mod=viewthread&tid=657