Parametric Platform Clip for Rostock Mini Acrylic Bed

I ditched the rubber legs and use clips to hold the bed. Had the same problem at the beginning-the plate was tilting when printing larger objects.
It is very stable now except the head hitting clips sometimes when printing very large objects. I will buy a bigger piece of acryl and attach it with the same
screws that hold the motors to solve that, but for now I just have to position the object the right way before slicing.
Read more : http://forums.reprap.org/read.php?178,399454,399561#msg-