page 15: The exercise may be varied by tracing the Heptagram, i. e., passing from one point to another of a regular Heptagon in this order — 1, 4, 7, 3, 6, 2, 5, 1. page 81: If the hand is stiff, it may be loosened and trained into tune with Nature's formative processes by the practice of drawing the Pentagram and Heptagram.
Source: wiktionary