How to Draw the Sri Yantra
This method was devised by Patrick Flanagan many years ago. It leads to a fairly precise Sri Yantra. I have added additional steps so that it can be drawn with a minimum of measurements. It is possible that way to draw it using only a straight edge and a compass.
Click here to see the animated version.
Click here to see the original instructions from Patrick Flanagan.
The First step is to draw a golden ratio triangle.
See here for detailed instructions on how to draw a
golden ratio triangle.
The next step is to draw a 3-4-5 triangle.