Ten Books on Architecture (1522) - Page 24

BOOK I

...of the members The text begins mid-sentence, concluding the definition of Eurythmy: the beauty and fitness of the proportions from the very nature of the work, and a harmonious result produced by the individual parts in relation to the whole work.

Arrangement original: "dispositio", however, is the proper placement of things and an elegant effect in the composition of the work, matched with quality. The types of arrangement, which in Greek are called ideas original: "ἰδέαι", are these: ground plan, elevation, and perspective.

A ground plan original: "ichnographia" involves the continuous use of the compass and the ruler, through which the outlines of the building's forms are laid out upon the ground of the sites.

[A woodcut architectural floor plan (ichnographia) showing the layout of a building with a central courtyard. The perimeter is square, featuring multiple individual rooms of varying sizes along three sides. The center contains a rectangular open space defined by a peristyle—a series of small circles representing columns. There are two larger rooms at the top of the plan flanking a central entrance area.]

An elevation original: "orthographia", on the other hand, is an upright image of the front, a figure drawn to scale according to the proportions of the future work.