57 Prismatic Lampshade

A lampshade test provided with prismatic foil. Materials: Plastic paint bucket, 15 cm, height: 13 cm. Prism foil on the inside, adhesive tape, black metal frame with an electrical E27 fitting on top, total height 140 cm, a 4.3 Watt led bulb. Not suitable for other light bulbs.

Monitor demolition to obtain the foil
Prism foil theoretical
Early prismatic work
Light effects also with prisms
Glasses with prism foil
More glasses with prisms
Second prototype glasses