About this 3D model

I liked the LM8UU holders for my prusa mendel using this X-Carriage: http://www.thingiverse.com/thing:23897 I decided to make one for the Rostock (build in progress). This is listed under work in progress until the Rostock is fully built. UPDATE 10-07-2012: My Rostock is "plotting" now. I discovered that my LM8UUs were sloppy on my drill rod so I doubled them up with this: http://www.thingiverse.com/thing:32000