Extrusion cooling fan-holder/cowling for MakerFarm Prusa i3 - Version 3

Update 12/7/2014
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Uploaded two new versions of the .stl file:
1. Should be the same as the original, but only contains a single object (some slicers have issues with multiple objects in a singe .stl file).
2. Without "manual" support structure; it must be sliced/printed with support turned on. I wasn't real happy with the support that Slic3r generated for it; particularly under the large horizontal overhang; I think it should have printed support under the entire surface, but it onl