One of the 2D animation students (Thanks Marcus!) at the school just showed me this film today during my stop-motion class. It's one of the most beautiful films I've ever seen...the posing, the clay! And a wonderful message...appears to be that the world of diversity in color invades the 'set-in-their-ways' Pharisse-like "whiteys" in order to create a beautiful cake! Hmmm...rather spiritual?
Looks like they might have done some replacement animation using 2D reference and sculpted 'Puppetoon'-ish puppets for each frame. It's very much along the lines of a film idea I have kickin' around in my head for a future film project.
I don't hesitate to say that this film might have just changed my life.