Robert Yates wrote an interesting book that I liked about a plethora of non-compass-and-straight-edge trisection methods: The Trisection Problem. https://www.g

Robert Yates wrote an interesting book that I liked about a plethora of non-compass-and-straight-edge trisection methods: The Trisection Problem. https://www.google.com/#q=the+trisection+problem+yates https://www.google.com/#q=the+trisection+problem+yates