cool shadow from the lamp. It's in Japanese but I bet you could figure out how to do it
雪見障子：冨田秀雄の設計日記 | ﾎﾃﾙｵｰｸﾗ 障子の美しさ
Estructura de madera combinada con el blanco de las paredes, mucha luz, vuelos y orientación
Architect Akira Watanabe; reed translucent screen as a filter
by Toshirō Kawase ( 川瀬敏郎 | 一日一花 | 2012/6/12 )
Encased wooden Japanese hot tub...for outside the perfect tiny home. Would be great in a HOT environment but you'd need a pump or chemicals for circulation against bacteria....hmmm, something to think about.