This paper proposes a rational classification of Islamic Geometric Patterns (IGP) based on the Minimum Number of Grids (MNG) and Lowest Geometric Shape (LGS) used in the construction of the symmetric elements. The existing classification of repeating patterns by their symmetric groups is in many cases not appropriate or prudent [Joy97]. The symmetry group theories do not relate to the way of thinking of the artisans involved, and completely has ignored the attributes of the unit pattern and has focused exclusively on arrangement formats. The paper considers the current symmetric group theories only as arrangement patterns and not as classifications of IGP since they have a "global approach" and have failed to explore the possibilities in the construction elements of IGP. The Star, a central Rosette, which is the most important element of IGP, forms the core of our study. The paper proposes new nomenclature to be used in the description of the unit pattern based on the MNG and LGS used in the construction of a Star/Rosette pattern that can be used to achieve the final design. We describe and demonstrate procedures for constructing Star/Rosette unit patterns based on our proposed classification in a grid formation dictated by the final design of the unit pattern.
The primary purpose of this paper is to present an innovative method to design and explore Islamic Geometric Patterns (IGP) based on normalisation (formulation) of the sub-motif grid (the smallest portion of the symmetrical unit pattern) within the unit patterns that literally hold the entire form of the unit pattern.Conventional design language studies have merely focused on the base principles of the classical gridding systems, which are hierarchical in nature having borrowed the benchmarks from the Greek ruler/compass method. This paper attempts to do away with the hierarchical chronological order of the formation of the unit pattern with lesser and more prudent number of tangible forms that are bounded by sheer balance of symmetries.The paper depends on the normalisation (formulation) of the sub-motif grid based-patterns to innovate or present a new design language, which re-forms the unit patterns on the basis of its new principles.
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