The bones of Shoji are made with bamboo, there are three Fushi (gnarls) in kamachi of toko, and the tokobashira (the pillar closest to the corner of the tea ceremony room and the second of two pillars dictate the width of the alcove) is made with Maruta KITAYAMA (lumber from Mt. Kitayama).
障子の骨は、竹を用い床の框には三つの節が見え、床柱は、北山丸太である。