"These are the 22 Letters with which God engraved and made Three Sefarim, and with them He created His Universe. And with them He formed all that was ever formed, and all that will ever be formed. Three on Seven; Seven on Twelve; and all are bound together." (Sefer Yetzirah)
In this picture can be seen all 22 Hebrew letters. The 3 Mother Letters are in the triangle/pyramid in the top part; the 7 Double Letters are in the circle/sphere in the middle; and the 12 Simple Letters are in the hexagon/cube in the lower part. The 3 Mothers and the 7… more