Heavy Mendel : Y axis

I've uploaded the different parts on several "things" for more clarity :
Main/Frame : http://www.thingiverse.com/thing:19368
X Axis : http://www.thingiverse.com/thing:25975
Y Axis : http://www.thingiverse.com/thing:25976
Z Axis : http://www.thingiverse.com/thing:25978
Linear bearing : http://www.thingiverse.com/thing:16946