ation such as the registry, the library, and the armoury, but also in the Cabinet of Curiosities, or in the architect?s personal archive. Even with only a small number of known approaches theorizing architectural drawings and design practices during the 16th century, it is possible to reveal a broad influence on drawing theories, especially by perspective treatises and the so-called »Visier- und Messkunst« (measuring). Reconstructing the various places of producing, collecting, displaying, and studying architectural drawings shows that architectural drawings were a crucial part in cultural processes of understanding, organizing, and dealing with the built environment.