In the product design process, designers deal with multiple criteria, which are both qualitative and quantitative. This paper proposes an idea for developing a computer-aided jewelry design system for automatically generating 3D models to be used in supporting designers for exploring design ideas/concepts and as a digital source of inspiration. The proposed system was developed based on interactive genetic algorithm (IGA) integrated with multi-objective genetic algorithm (MOGA). IGA is used in initializing and handling qualitative objectives such as designer/customer satisfaction and/or aesthetic considerations. MOGA is used for shape optimization by optimizing multiple quantitative objectives such as shape parameters in parametric design. Jewelry items were modeled by parametric modeling using Rhinoceros® software and Grasshopper® plug-in. The system prototype was developed in Grasshopper with the help of Octopus plug-in for multi-objective optimization. Finally, the system was developed in the form of a plug-in to be used in CAD. Case studies of jewelry design will be covered in the paper.

Author: Dr. Somlak Wannarumon Kielarova