Louis poulsen d450 patere round chandelier patere round chandelier d450 by louis poulsen patera is composed of a series of alveoli whose angles are carefully calculated to produce this incredible interaction between light and shadow. The shape of the lamp guarantees glare-free light at all angles of view greater than 45 degrees, while at the same time allowing both downward light and upward light to illuminate the ceiling, creating a warm atmosphere. Shade in cut-out frosted pvc film. H: 45 cm, w: 43.3 cm, d: 45 cm, 4.7 kg this piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution, up to 250v (europe/uk standard).