Mountain fold the frame in half. Mountain fold the frame in half again. Valley fold the frame. Each side should be slightly longer than the corresponding side of the door. Valley fold , and tuck into the door frame to lock the model.
Valley fold the door hinge.
The finished dollar bill door. The finished egress is in Jasper's Origami Menagerie . Designed by Jasper in 1995. Diagrammed by Jasper in 1995-97. Your comments are welcomed.