A paperfolding paradise
The website of writer and paperfolding designer David Mitchell
|Dividing an Angle into Three Equal Parts|
page attempts to record what is known about the origin
and history of the technique of dividing an angle into
three equal parts by means of paperfolding. Please
contact me if you know any of this information is
incorrect or if you have any other information that
should be added. Thank you.
'Geometrie, Dessin et Travaux Manuels - Cours Moyen', produced under the direction of M E. Cazes, which was published by Librairie Ch. Delagrave in Paris in 1895, contains a metod of dividing an angle into thirds by eye alone rather than geometrical construction.