Features
The sign panels for commercial façades consist of a compact base on which the body of the sign with the desired material is placed;
The body of the sign is usually made from cut vinyl and digital printing, although the ceiling can also be used as a support for the lettering;

Some examples
You may be interested in

Corporeal letter
Signs for industrial warehouses of various types and formats

Illuminated signs
Illuminated signs made from a variety of materials and manipulations