An inside reverse fold consists of two mountain folds and one valley fold.They extend to one common point.
This is one way to do the inside reverse fold.The Inside reverse fold is often used for folding birds’heads and animals’ tails.
: Start with a prefolded triangle.Make a valley fold along the dotted line,then unfold.
: Open the tip and push it down,then flatten.We will make two mountain folds along the red dotted lines and make one valley fold along the black dotted line.
: The inside reverse fold is done.