A uniquely shaped plane with a curved wooden body (dai), designed specifically for hollowing out or smoothing curved architectural elements such as pillar bases, curved beams, and the curved undersides of staircase stringers. Both convex and concave body versions exist for different applications.
Maker's Stamp / Mei (銘)Mei stamp — Sori-Dai KannaTechnical Data
CategoryPlane
RegionsSanjo, Niigata
Traditional Steels
This tool category is traditionally forged from the following steels. Click any to read its full metallurgical profile.