Fantastic lamp, called Tetrahedron, designed by Frans van Nieuwenborg and Martijn Wegman in 1979 for Indoor (marked).
This is the large version, which is more rare. Due to its size it suited best as a floor lamp.
This amazing light consist of 3 triangle glass plates supported by the black plastic corner ends and the metal wire inside. The wires also hold the light bulb in the middle. It really is an ingenious design, it looks like the bulb is floating.
The lamp is not in production anymore.
It is checked and in good working order.
This iconic light is in excellent condition, without any damages.