I am reminded of a problem faced by geometers in antiquity of building straightedges; how do you draw a straight line when you have no existing straight line to

I am reminded of a problem faced by geometers in antiquity of building straightedges; how do you draw a straight line when you have no existing straight line to copy from? The book “How Round Is Your Circle?” includes some interesting solutions to this problem. https://www.goodreads.com/en/book/show/2449815 https://www.goodreads.com/en/book/show/2449815