Three-dimensional rosettes based on the geometry of concave deltahedral surfaces
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The rosette becomes a dominant architectural detail in the first half of the 12th century in France, when the builders of religious architecture, under the influence of Neoplatonic ideas, became fascinated by light as a means to connect with God. Conceptually, the Christian church became the temple of light – a temple bathed in the light of God. With an altered construction system and the use of new constructive elements, it became possible to install spectacular stained glass windows, through which the filtered sunlight entered the cathedral. In this system, the unique rosette-shaped window opening stands out. Its circular shape and complex geometry have made this architectural element the most representative product of Gothic applied art. Approximately at the same period of time, Islamic geometrical patterns are used as a matrix for shaping decorative architectural elements. Their application is a full integration of geometry with architecture. The base of these patterns consists o...f regular constructible polygons (such as hexagons and octagons) and star-shaped polygons that are formed from them. These shapes represent the rosette leaves. Depending on the number of apexes (n) of regular polygons generated from them, a new term is introduced in the classification – the ‘geometrical n-point pattern’, where the type of the rosette depends on the polygon from which it is derived. The evolution of Islamic geometrical patterns can be followed through the type of use of n-sided polygons, from the hexagon to more complex polygon types and through the rosettes formed from them. In this paper, the link between these two concepts is made through the application of concave polyhedral surfaces.
Keywords:rosette / polyhedron / architecture / light / shadow
Source:Smart Art Knjiga apstrakata / Book of abstracts, 2019, 89-90
- Beograd: Fakultet primenjenih umetnosti, Univerzitet umetnosti u Beogradu, Srbija