The characters are individually shaped of metal or plastic materials. They are hollow and illuminated from the inside with fluorescent tubes or LEDs depending on the size and shape. The characters, symbols or logotypes can be mounted directly to the wall (in this case however the cables between individual characters must be placed under the plaster or behind the wall). Another way of installation is fixing the characters or signs on a supporting structure where the interconnecting cables are placed in the structure itself.
The characters are individually shaped of metal or plastic materials. They are hollow or milled from a massive piece of plastic or metal.