This reversible pattern will adapt to any weight of yarn or size of needles you want to use. The pattern is worked on a multiple of 12 stitches plus 6. I think there is an error in the instructions for rows 13, 15, 17 and 19. For these rows, I reversed the instructions from rows 3, 5, 7 and 9 (substituting knits for purls and purls for knits) instead of using the instructions given. This is turning out well so far.