Printing problems with makerfarm prusa i3 (pics)

For some reason without any change of software settings this has started to happen on my makerfarm prusa i3 every time I print something it comes out bad. For example circles are now coming out as ovals as show below and some parts that us to come out uniform aren't that way any more you can see what I mean from the pics below.












What could be causing this to happen been at it for 3 days now.

I would check motors and belts to make sure they are tight. It looks like something is loose.

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Edited 1 time(s). Last edit at 06/05/2014 04:56PM by strk.

belts and motors seem to be in okay shape, but i'll double check on that.