This lamp employs the relationship between the lengths of the sides of various polyhedra to create simple modular pieces that can be arranged in various ways. There are two different size structures here that allow for a greater dispersal of light.

This version has a very bright bulb in it to illuminate the outer structure. 

This version has a very bright bulb in it to illuminate the outer structure. 

This version has a much dimmer bulb and so only the inner structure is illuminated.

This version has a much dimmer bulb and so only the inner structure is illuminated.