Anet A8 Y Belt Tensioner

This is a remix based on the tensioner from the upgrade kit of the thing http://www.thingiverse.com/thing:1718315
I made the dovetail connection between the top and the base for stricter positioning, reduced the side mount holes height and also made some shape-modifications for better printing.
You will need a 19 mm M3 screw for the roller mount, the longer ones will not fit the top element shape.
If you decide to use any Y-belt tensioner you'll have to use some back plate fix element. I also