beefier Y frame for the Makerfarm 12" Prusa i3v

This is a modification of Geodaves 12" frame. I had some issues with bed travel limits using the tensioner. I redesigned without the tesioner and added some supports to prevent warping when you get the belt tight. I also added some sorbothane vibration isolator mounts.

tested and works!


7/5/15 UPDATE. Made the mount a little wider to match the original specs of the frame. Previous model left the wheels a little sloppy in when the bed was all the way forward.
Also added a nut t