Drawn in Inkscape using a model found on yoga esoteric. So it is a vectorized version of a print. I actually don't know the mathematical formulas that could generate the original yantra, if exist. You can scale at any size, but this version is designed to be printed on tabloid (11x17) format.
明星設備
11x17、Maha Vidya、Mandala、tabloid、Tara、Yantra
的11x17、摩訶維迪亞、曼陀羅、小報、當、機器
資料來源：openclipart ( https://openclipart.org/ )