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Enough Love to Go Around Square free crochet pattern

Ravelry: Simple 10-Petal Afghan Square pattern by Joyce Lewis: free pattern

A Better Granny Rectangle. Brilliant way of starting off - crochet tutorial with pictures and diagrams

Ravelry: Victorivenus' Free SmoothFox's Just Peachy Blossom 6x6

Magic Spike Mandala Square - 12" afghan block, free crochet pattern!

Crochet Knitting Handicraft: Crochet square units

"Flat Braid" Square Joining Method-love this technique, have used it a lot.