MATHEMATICS AND ORIGAMI

VI

SYMBOLS

Valley fold ..............................................................

Mountain fold .........................................................

Mountain fold when no confusion .........................

Hidden line .............................................................

Valley fold orientation............................................

Idem, but folding and unfolding.............................

Mountain fold orientation.......................................

Unfold.....................................................................

Right angle .............................................................

Division in two equal parts.....................................

Cut ..........................................................................

Sink ........................................................................

Turn over figure......................................................

Enlargement ...........................................................

Bisectrix, equal angles............................................

Pleat fold ................................................................

Paper strip end ........................................................

Pocket fold..............................................................

Paper with white front side and not white back
side .........................................................................

✁ ✂