Mendel Mini-Carriage.

After trying a resistor heated hot-end, I got a little concerned with the tight fit in the standard mendel X axis carriage. I tried Bubak's OpenX Carriage (http://www.thingiverse.com/thing:6278) and I really like having an open center.

In my config, I've got the dump zone on the far left and the OpenX won't let my extruder reach it. I started playing with this idea for a very lightweight carriage that would only have what I needed. Since I use mechanical endstops, it has no holes for mou