Ink on Washi paper on board, 30x30cm, 2014 Next Porous Amorphous no. 22 Previous Porous Amorphous no. 14 Current Series2014 1999 (4) 2000 (4) 2004 (11) 2005 (6) 2006 (10) 2009 (7) 2011 (7) 2012 (11) 2013 (29) 2014 (27) 2015 (14) 2016 (21) 2017 (24) 2018 (20)