Wallace Y Rack & Pinion Drive

I didn't like the belt layout under the bed, and after building finding the once tight belt was now slack, I did something about it.

I borrowed parts from theodleif's Prusa R&P design. The Y motor mount from Domonoky's casted Wallace and the standard 6mm bed mounts for the Wallace.

You can see it working here: http://www.youtube.com/watch?v=LibplYh-9XI

y_motor_holder_rack.scad is a scalable motor mount for those looking for the smaller wallace version. I would like to atribute the kind