If you want have the prusa i3 or you want to learn more info,you can contact me. skype:reprappro.cn
http://www.reprapmall.com/index.php?route=product/product&path=24&product\_id=51
Hey @Yang_Lou, where’s the video?
sorry
https://www.youtube.com/watch?v=vUqgRndGtgI