Linear Bearing Mounting Spacer

Needed a spacer when I upgraded my acrylic y carriage to an all aluminum one, due to interference with the mounting of the y axis stepper motor. This was for a 8mm LM8UU bearing. I also included my 123D design source file for easy modification.May want to download a y carriage belt mount as well that has a bit of depth to not change angle of the belt with the higher carriage location. This one i found worked good for me. http://www.thingiverse.com/thing:619347