Basic folding units
Mountain fold
山折り
A fundamental fold that makes the crease project outward like the ridge of a mountain.
Used in tutorials — 1
View details →Explore types of folds
— 16 techniques
An origami technique guide organized into basic units, combined folds, and three-dimensional folds.
CATEGORY 01
The fundamental directions from which every fold begins.
02 techniques
CATEGORY 02
Techniques that combine foundational folds to shape and move paper.
06 techniques
Combined folds
段折り
A fold that combines a mountain and valley fold to create a step or offset.
Used in tutorials — 0
View details →Combined folds
引き寄せ折り
A fold that swings part of the paper around a pivot while opening an adjacent layer.
Used in tutorials — 0
View details →Combined folds
つまみ折り
A fold that brings several creases together to form and flatten a triangular flap.
Used in tutorials — 0
View details →Combined folds
留め折り
A fold that tucks an edge or flap into another layer to lock the model in place.
Used in tutorials — 0
View details →Combined folds
花弁折り
A fold that opens a flap, brings both sides toward the center, and lifts the point into a flattened petal shape.
Used in tutorials — 0
View details →Combined folds
蛇腹折り
A fold that alternates mountain and valley folds to form an accordion-like structure.
Used in tutorials — 1
View details →CATEGORY 03
Techniques that move paper inward and outward to create volume.
08 techniques
Three-dimensional folds
中割り折り
A fold that reverses existing creases to turn a point inward between layers.
Used in tutorials — 0
View details →Three-dimensional folds
被せ折り
A fold that reverses existing creases to wrap the layers around the outside of a point.
Used in tutorials — 0
View details →Three-dimensional folds
かぶせ段折り
A pair of reverse folds used together to offset a point or layer in a step-like shape.
Used in tutorials — 0
View details →Three-dimensional folds
開いた沈め折り
A sink made by opening the model and reversing a point or corner into the inside.
Used in tutorials — 0
View details →Three-dimensional folds
閉じた沈め折り
A sink performed without fully opening the model, while keeping the surrounding layers closed.
Used in tutorials — 0
View details →Three-dimensional folds
沈め折り戻し
A fold that reverses a previous sink and brings the sunken point back outward.
Used in tutorials — 0
View details →Three-dimensional folds
つぶし折り
A fold that opens a pocket and flattens it symmetrically along its center crease.
Used in tutorials — 0
View details →Three-dimensional folds
曲線折り
A fold made along a curved crease to create rounded or three-dimensional forms that straight creases cannot produce.
Used in tutorials — 0
View details →