If your cat has been exploring again and has played with one of the lampshades, you can order a new one from us without hesitation. Upper shade, intermediate shade or lower shade for the classic PH 4½ ? 4 pendant light, designed by Poul Henningsen. The PH 4½-4 pendant light was designed according to the reflective multi-shade system, which has its origins in the logarithmic spiral, where the light source originates in the centre of the spiral. The handblown three-layer opal glass, which is clear on the outside and sandblasted on the inside, emits a soft and diffuse light. Material: Handblown glass