Trebling Granny Square: free pattern
Heat Wave 12 inch square - free crochet pattern by April Moreland
Day 29: 12" Block of the Day Crown Jewels by Melinda Miller Free Pattern: http://www.ravelry.com/patterns/library/crown-jewels---12-square May 2013 #TheCrochetLounge #12"Square Pick
Friendship Ring Square, granny square pattern by Terri Kroupa on Around the Crochet Table
Creeping Trebles crochet square pattern. I'm not usually a purple fan but I even like the colors.