About this 3D model

This version is a add-on to http://www.thingiverse.com/thing:87112 wanted to be able to have more than one fan on my Reprappro Mono Mendel and to make it more efficient I needed it to be more directional. So print the CFVII-Bracket.stl of http://www.thingiverse.com/thing:87112 and then print this.