Twelve people forming the Heisei daishi paper at the Kamiyama paper workshop.
In 1989, at the IMADATE exhibition event having as its theme the Charm of Washi, the Fukui Prefecture Washi Industrial Union with the cooperation of the Ueyama paper mill produced Heisei daishi paper measuring 7.1 X 4.3 m. Six artists, including Javier Mariscal from Spain and Sadamasa Motonaga, painted seven works on these papers, which were then exhibited.