gmoledina/GMGridView — comment on commit bbcb65d699c8ad057c2359e03a0543f80c3634ad
File:  line 0
By steipete:

So it just draws out of the grid frame? Have you tried enabling clipToBounds?

https://developer.apple.com/library/IOs/#documentation/UIKit/Reference/UIView_Class/UIView/UIView.html