The work CHARACTERS at the Memorial Library in Halifax uses only single letters as projection materials.
The sum of all kinds of texts, literatures, and documentation of our alphabetized script culture collected in a library is dissolved and leads back to phoneme–based components.
The graphemes (symbols) of our Latin script is rooted in the “Capitalis Monumentalis” and used only uppercase letters. This stone carved lapidary is a good example of how mathematical and design principles and proportions as they were applied in architecture, art and everyday life at its time, influenced the design of the written forms. Many of these design principles are universal and still valid today.
Each individual letter thus conveys not only a sound, but also a visual, individual impression through its form and shape. Each letter has its own personality, its own character. This shows especially when one frees the characters from their context by an ornamental play, such as duplication, twists or reflections. Then it becomes clear that, in addition to an infinite number of substantives, there are also infinitely many formal and ornamental possibilities to put together letters. The resulting images and pictorial notations formulate a language of their own which sparks a visual dialogue with its writing surface: the Memorial Library in Halifax.

https://www.hartung-trenz.de/project/characters-und-lightscape-illusion (01.11.2021)