Clever and simple design ideas at Maison et Objet 2013

François Bauchet's Monad Shelf  uses bent metal cut out from its metal sides to hold the shelves.

Prestige Mirror by Fanny Dora"Like an illusionist, your perception will be deceived by this mirror using an anamorphic 'trick': from the front, it is a traditional round mirror, but from a different perspective a second function is revealed, a layer of wood, a place for your small belongings." source