The 45 degree sloping bottom divides the glass in two triangular sections. When the glass cup is filled with water, the top section becomes a water prism that allows passing sunlight to project a rainbow on whatever surface it rests on.
Mesa rebatible - - Il Tavolo Mastro / Studio Gumdesign Масштабировать Фото This is such a cool idea. Can't manufacture a metal top but could it be adapted to wood top with metal chanel to slide legs into? hmm something to muse