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Traditional carpentry faces a critical shortage of skilled workers due to limited opportunities for potential apprentices to access onsite woodworking experience. Through expert interviews, we learned the importance of hammering sound to judge the precision in Kigumi assembly, as master carpenters rely on differences between “soft sound" and “sharp sound" without relying on visuals. This paper presents Sound of Kigumi (SoK), a playful VR system for inexperienced users to casually experience sound sensory skills through the loop of hammering and chiseling. In SoK, users listen to hammering sound in relation to tightness, assess the precision of their work, and return to chiseling for further adjustments. Furthermore, SoK implements pseudo-haptic feedback by visually modifying hammering resistance based on chiseling progress. Expert evaluation indicated SoK replicates the hammering process and serves as an effective introductory tool, and user feedback confirmed SoK provides an immersive woodworking experience and effective Kigumi learning.

ACME Lab

Kosei Ueda, Ellen Yi-Luen Do, Hironori Yoshida. 2026. “”. In: TEI '26: Proceedings of the Nineteenth International Conference on Tangible, Embedded, and Embodied Interaction. (Chicago, IL, March 8-11, 2026).