Crochet - Granny Spike Stitch - leaves fewer gaps, because the second double crochet is crochet through the top of the second double crochet of the row below. Possibly use a dc,tc, dc pattern in the clusters? From Do It Darling.
Rainbow Hearts Filet Crochet Afghan / Curtain - CROCHET - I'm sooo in LOVE with filet hearts! After the Rainbow Hearts Thread Crochet Summer Dress, the Rainbow Hearts Filet Crochet Vest With Pink Heart P