Left side mounted Bowden tube feeder with filament release mechanism

I love Satoer's Bowden feeder http://www.thingiverse.com/thing:159159 I have tried and printed a lot of differerent extruders/feeders but I went with his as it seemed to jam the least, looks great, and it is just so easy and convenient to use, I take no credit for the Bowden feeder at all this is all his idea, I just tweaked it.
I am running a dual head and wanted one on each side of the printer so I flipped the base and the top and then reversed the writing so that is still reads properly, th