18KongMing lock

Chinese ancient educational toys, was said to be wise invention, it was also said to be a master carpenter Lu Ban invention, which is "Ming lock" in a series of works, consisting of 18 quick, bite each other, assembly difficulties
Note: Please download 3dm stl file or files, gcode is prepared for ormerod1
Google Translation

2014-10-17
KongMing lock, also called “Burr puzzle”, is a huge series, here is just one of them, 18 symbolizes the Buddhist inside 18 Rohan.

Read more on wiki
http://zh.wikipedia.org/wiki/%E9%AD%AF%E7%8F%AD%E9%8E%96

Watch video on youtube
https://www.youtube.com/watch?v=BPCOgdLlDhk

Or google more

I will add more models in the future

Good luck!