In room 02 an interior, intimate space is proposed, the commission referred to a “womb ” . For this structure a kind of a shell which we call ” Egg” is proposed, resulting from the intersection of an ellipsoid and Fibonacci layout. The construction of this geometry is raised in the form of horizontal rings which are stacked and engaging with diagonal resulting Fibonacci spiral which take the form of ribs . Note that this structure does not use screws or nails, are simply constructed by the assembly of its parts.