Belt tensioner (Anet A6 X axis)

The X-axis belt is very hard to tension on the Anet A6 so I made this belt tensioner as a quick fix until I installed a much better one http://www.thingiverse.com/thing:1974412. The tensioner is designed to avoid colliding with the extruder assembly which was a problem I had with other tensioners. Also the tolerances on your printer don't have to be great to print this off (which is probably why your printing this in the first place).