The pattern used was pattern no.7 in Drape Drape 2 (NOW IN ENGLISH), the pattern is a clever two-piece pattern with open batwing sleeves. Karen chose to transform this dress pattern to a sleeveless version, personally I prefer her version better!
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Ps. Don't forget our Gridlock Sewing Contest is running (ends April 3rd). To be in with a chance to win $1000 (AUD), see here for more details.