Sofa in general have nearly uniform shape. Not surprisingly, the form does follow function as a sofa seat is padded and can accommodate several people at once.
However, the actual shape of the sofa that uniform can be "processed" in the hands of the designers that have a more unconventional. Designers from Japan, Kei Harada, for example, makes a sofa shaped like a marshmallow.
In the hands Harada, a sofa is like to answer the question, "What form that naturally invite someone sitting here?".
Harada made a couch with the name Sofa O'Keefe. Sofa combines form balls. Each ball is made of organic sterofoam two foam and covered with elastic fabric. These balls are all attached to a wooden frame that serves as a joint for each pillow.
"Although the sofa is not specifically made for children, children seem to intuitively understand what I mean to describe the movement through the sofa," said Harada.