There are various traditional crafts in Japan. Japanese modern manufacturing industries have stemmed from the traditional crafts. And there is craftspeople’s wisdom in the traditional crafts technique inherited for years, which is well known as “tacit knowledge”. Especially in Kyoto which has 1200 years history, many traditional crafts have been inherited. In this study, Urushi crafts was focused.
Japanese lacquer is called “Urushi” in Japanese. Urushi have meanings such as Urushi tree, its resin and also Urushi crafts. Urushi has been used 9000 years ago in Japan. In this long history, Urushi crafts techniques have been developed, refined and inherited by many Urushi craftspeople. As a result, Urushi affect Japanese culture and aesthetic feeling greatly. Urushi has been viewed as special, and admired as black with the highest grade. Therefore, the Japanese word “Shikkoku” has been generated, inhere, “Shi” means Urushi, and “Kkoku” means black color.
Urushi has various characteristics. For example, Urushi coating surface is very smooth and glossy. It is considered that these characteristics are influenced by skill level of craftspeople. Then this study aims to analyze a difference between expert craftspeople and non-expert craftspeople in the painting process of Urushi. Body and eye motion between expert and non-expert craftspeople were analyzed and compared. As a result, there were differences in the time of painting with brush. And more there were differences in eye movement. It is considered that these differences were due to the difference of skill level, and in turn, the quality of Urushi products has been influenced.