About this 3D model

For keeping my cold-end cool without warping ABS prints. Designed to complement my fan riser, http://www.thingiverse.com/thing:12340 Designed to fit with Greg's X carriage- http://www.thingiverse.com/thing:9869 or http://www.thingiverse.com/thing:15118 (grab appropriate STL) but can easily be altered to fit any other carriage by changing cut-outs in scad.