valleyfold

noun
UK /ˈvæliˌfəʊld/
US /ˈvæliˌfoʊld/

A valley fold is a fold where the paper bends down like a little valley.

Make a valley fold along the dotted line to shape the paper's wings.


OTHER MEANINGS

2. In origami, a fold that brings two edges toward each other so the crease points away from you.

The instructions say to valleyfold the top corner first.

3. A crease shaped like a V when the paper is viewed from the side.

You can tell it is a valleyfold because the paper dips in the middle.

4. A basic folding step used to make many paper models, from boats to cranes.

Practice the valleyfold before trying the harder mountain fold.