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PS 5 - The Secret of the Stone

At a first glance the construction procedure for the Stone outlined above appears simple enough.

Drawing a small circle and the square around it is easy, and the three points of any triangle will always lie on the outline of a circle.

For example like this :

However the Philosophers' Stone must be drawn in such a way that :

the small circle and square are located in the lower half of the large circle representing the Cosmos,

of the large circle representing the Cosmos, while the complete symbol remains symmetrical.