Build from a twelve-sided dodecahedron with
TopMod,
the pentagons are linked to triangles and back again forming continuous paths.
The surfaces are shadowing each other resulting in very nice shadows.
To build a suspended lamp light bulb and socket has to be inserted trough a hole.
Adapter ring for E27 bulb socket serves as fitting.
To build a table lamp take use of
Starfish lamp stand with adapter ring.
This
video shows how to assembly the light source.