Diniz, Nancy; (2003) An approach on 3D digital design: free hand form generation. Masters thesis , UCL (University College London).

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Abstract

To sketch is to translate a concept from mind to its first representation. Conventionally, sketching of a three dimensional idea is drawn on paper, or by building a physical model, and then adjusting it into digital translation. The thesis hypothesizes that architects employ tangible interactions to assist design-thinking tasks in early design phases. This thesis suggests another approach on 3D digital design, as a complementary resource for expressing a concept, hence enriching the creative process. A proposal for a new CAD paradigm, based on freehand form generation is detailed here, as well as the development and testing completed during the course of the research. This work describes the required characteristics of this kind of system and discusses the possibilities afforded by this new medium of expression, pointing its strengths and current limitations. The fundamental guidelines to this research were: (1) non-intrusiveness of the input and visualization devices, (2) wireless free hand drawing in 3D space, (3) instinctive interface and (4) exporting capabilities to other CAD systems. In conclusion this work argues that 3D design, based on free hand form generation, allows for an enhancement of the traditional creative process through spontaneous and immediate translation of a concept into 3D digital form.

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