loches z axis upgrade x carriage

This is a clone of http://www.thingiverse.com/thing:18657 except its made for loches z axis upgrade http://www.thingiverse.com/thing:22887

i appreciated his design intentions, but it just wasnt the greatest x carriage design in the world, especially for this application. Ive been using this design for 3 months with no issues. i have a 30mm fan that fits in between the belts to cool my j head.

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/kLBUC4jP1Zr