Illustrated on p59 of 1st Seoul International BookArts Fair, 2004.
Illustrated on page 368 of the Korean edition of Structure of the Visual Book by Keith A. Smith, 2003.
Illustrated on page 379 of Structure of the Visual Book by Keith Smith, 4th Edition, 2003 and 2005.
In the same blue box is another "feather-duster", in this case using paper with rolled Japanese text: 625mm.