12 triangles	Assembly of 12 triangles with 36 clips 1) Lay 8 triangles flat and clip them (fig.2). 2) Insert the socket and the bulb. 3) Flip the assembly (the clips are on the outside of the lamp) 4) Clip A to A, B to B, C to C and so on.
44 x 25,5 x 26 cm

You can use a pencil  to mark the triangles with letters and then erase the marks when the lamp is done.
Fold the sidebands into a 90° angle before you start building the lamp.