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Here’s a Pop add-on library called Håvard Fossli that allows you to easily create interesting 3d transform effects called AGGeometryKit-POP. AGGeomtryKit-Pop allows you to animate each corner of the view independently and does not rely on snapshotting the view hierarchy. AGGeometryKit-Pop can work on any view even a UIWebView. A demo project is included.

AGGeometryKit-POP on GitHub