From crochet.about.com - Shell Stripes Afghan Square 5 Inch

Pattern Created by Sandi Marshall

Printing: If only the ad at the top of the page prints, try this: before choosing the Print command, click on the pattern portion of the page (tells your printer what part of the page you want to print), then choose Print. Use Print Preview (click on File, then Print Preview at the top of your Internet browser) if you want to see ahead of time what will print.

Materials Used In The Example: About 1/3 oz. worsted weight yarn - I used Red Heart Super Saver color Aran in the example
US size G hook used for a 5 inch square US size H hook used for a 5 1/4 inch square
Abbreviations: ch = chain, dc = double crochet, ea = each, hdc = half double crochet, sc = single crochet, sp = space

How to Skip a Stitch: http://crochet.about.com/library/weekly/aa071804.htm
How to Half Double Crochet: http://crochet.about.com/library/blhalfdouble.htm
Solid Shell Stitch How-To Photos: http://crochet.about.com/library/nsolidshell.htm

Pattern Directions
Pattern by Sandi Marshall, copyright 2007 by Sandi Marshall, licensed to About.com, Inc. See terms of use below the pattern directions. Please keep the copyright statement with the pattern directions when you print out or save the pattern.
Starting Chain: With color A, chain 20.
Row 1: sc in 2nd ch from hook, sc in ea ch across. (19 sc)
Row 2: ch 1 to turn, sc in first sc, *skip next 2 sc, 5 dc in next sc (shell made), skip next 2 sc, sc in next sc **, repeat the directions between * and ** 2 more times.
Row 3: ch 3 (counts as first dc), make 2 dc in the first sc (which is at the base of the ch-3 just made), * skip next 2 dc, sc in next dc (which is the dc in the center of the shell), skip next 2 dc, 5 dc in next sc **, repeat the directions between * and ** once more, then skip next 2 dc, sc in next dc (which is the dc in the center of the shell), skip next 2 dc, 3 dc in last sc.
Row 4: ch 1, sc in first dc, * hdc in next dc, dc in ea of next 3 stitches, hdc in next dc, sc in next dc **, repeat the directions between * and ** 2 more times.
Row 5: ch 1 to turn, sc in ea stitch across. (19 sc)
Row 6: Change to color B. Repeat row 2.
Row 7: Repeat row 3.
Row 8: Repeat row 4.
Row 9: Repeat row 5.
Row 10: Change to color C. Repeat row 2.
Row 11: Repeat row 3.
Row 12: Repeat row 4.
Row 13: Repeat row 5.
End off. Weave in ends.

Copyright, Terms of Use: Pattern by Sandi Marshall. Pattern instructions and photos are copyright 2007 by Sandi Marshall, licensed to About.com, Inc. This free pattern is for your own personal (not-for-profit) use only. Per copyright law, do not redistribute in any form, even for free. If others would like to have the pattern instructions, please give them the URL for this pattern, so that they may come to this site to print out the pattern for themselves. Thank you. I appreciate it. U.S. Government Copyright Office - http://www.loc.gov/copyright
Copyright on the Web - Being on the Web Doesn't Make it Public Domain: http://webdesign.about.com/od/copyright/a/aa081700a.htm
URL of the main page for this pattern is http://crochet.about.com/od/fiveinchsquares/p/aa020207.htm
URL of this printing page is http://crochet.about.com/library/n020207.htm
About Crochet Home Page: http://crochet.about.com