Rainbow Ripple Afghan by Marianne Forrestal

Rainbow Ripple Afghan

Crochet
Aran (8 wpi) ?
12.55 stitches and 7 rows = 4 inches
in Half double crochet (US): one repeat of 20 stitches
6.5 mm (K)
Approx. 45" x 60" (114.3 x 152.4 cm)
US
English
This pattern is available for free.

ITEM# RHC0502-014841V

Also available at Michaels.

Pattern is multiple of 20 stitches plus 1.

Gauge says: one repeat of 20 stitches = 6 3/8”, so I did the math to figure out how many half double crochets there would be in four inches.