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Recently, as CAD systems have spread, style design with digital mockups has been used. But physical mockups are still used to evaluate the ergonomic design of products. However, the conventional methods of the evaluation using a physical mockup of a product are inefficient in an upstream style design process, for it takes time and money. So, our research purpose is to develop a system for ergonomics design, which enables ergonomic assessment for a handheld information appliance without “real” subjects and physical mockups by integrating a digital hand with a product model and its task operation model.

We propose producing a body model consisting of anatomical landmarks used in product design from point clouds from a three-dimensional scanner. We previously proposed producing a foot model automatically by deforming the template of known landmarks using free-form deformation (FFD), but shapes of actual toe tips vary widely from the template. Here we propose extracting five landmarks on the toes of a foot model.