User talk:Wenxin Song

Hey, a student with some artistic addiction! Welcome the RepRap, Wenxin. If you tend to roll your eyes how it looks here, well, for most engineers it's apparently easier to calculate the inners of a stepper motor driver than to find the right background color for their wiki. Feel free to change that! --Traumflug (talk) 12:02, 30 July 2014 (PDT)