谷たに折おり

noun

valley fold (origami)

A basic origami fold where the paper is folded inward, creating a valley-like crease. Contrasts with 山折り (mountain fold).

See also: 山折り

• 折おり紙がみの基き本ほんは谷たに折おりと山やま折おりです。

  The basics of origami are valley folds and mountain folds.

• 点てん線せんに沿そって谷たに折おりにしてください。

  Please make a valley fold along the dotted line.