The popular and famous IQ Light lampshade assembled from diamond shaped elements - was created in the year 1972 by Danish designer Holger Strøm for the manufacturer IQ Light.
All Puzzle Lamp components are identical.
Each component has front and back side. Standard Puzzles Lamps, as well as many others designs, are assembled using only the back side (the one facing the bed).
Each component has two curved and two straight edges.
Assembly instructions available in many youtube tutorials: