All 30x30cm. Some of them include battens 2.5cm.
Copyright 2008-2011.

Child's play - ayatori (cat's cradle)
Child's play - kagee (shadow play}
Child's play - kamifusen (paper ball)
Child's play - origami (paper folding)
You can cry
Akemi in the sky with diamonds
All the universe is a spiral
Interdependency
Bird's Nest
The Ainu People
Seaweed
Chrysanthemum
Seaweed v2
Hide & Seek
Regrow
Smooth transitions