Makers’ marks

[Philip Davies]

Here’s one method, not fully accurate, of constructing a pentagon. There is another method, using only 2 instruments, which I can’t find at present. If interested, I’ll draw it for you.
This method uses a square piece of paper.


Here’s a way to construct a heptagon, using 7 equal length rods. The page shows a less accurate method of construction, using a cord.

Here’s an enneagon:


These diagrams are from a book by Miranda Lundy, entitled “sacred geometry”. Your knowledge of maths, far exceeds mine, Marv