PEN AND PAPER FUN!
Here you can download PDFs with blank square and diamond charts that enable you to superimpose a varga onto the main chart. Most astrology software programs don’t allow you to do this, therefore I made these blank charts, so you can experiment on paper, which is a lot of fun.
Please, keep in mind that only vargas that are calculated by multiplication method are suitable to be used in this way. These include Saptamsha, Navamsha, any other parivritti (harmonic) varga and Dvadashamsha. See the formulas in my articles on Saptamsha, Navamsha and Dvadashamsha.
These are software programs which have the superimposition feature built-in:
PLANETDANCE – my No.1 recommendation. It allows you to create any harmonic chart, save it and then use put it around the main chart with synastry. Sky is the limit.
SOUTH INDIAN SQUARE CHART – download here
NORTH INDIAN DIAMOND CHART – download here
HELLENISTIC SQUARE CHART – download here