Copper lamp #1 The luminaire is made of copper tubes with rectangular cross section. One of the 4 sides of each tubes is covered with a reflective material. The light source is located above the copper structure and shines from top to down and it can be moved along the tube suspension of the lamp. At the heart of copper structure is a rolled, flattened box that has been smoothed (subdivided) and reinforced with additional jumpers. The frame was built on a base of this surface.